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trail
noun
a
rough
track
or
pathway
,
especially
through
the
countryside
,
forest
,
or
mountains
,
that
people
or
animals
follow
.
•
The
hikers
followed
the
narrow
trail
up
the
mountain
to
reach
the
lake
.
The
hikers
followed
the
narrow
trail
up
the
mountain
to
reach
the
lake
.
•
A
well-marked
trail
runs
behind
the
campsite
and
loops
back
after
three
miles
.
A
well-marked
trail
runs
behind
the
campsite
and
loops
back
after
three
miles
.
From
Middle
English
traille
,
from
Old
French
trailler
“
to
tow
,
drag
,”
from
Vulgar
Latin
*tragulare
,
frequentative
of
Latin
trahere
“
to
pull
.”
noun
a
series
of
signs
,
marks
,
smells
,
or
clues
that
someone
or
something
leaves
behind
as
it
moves
.
•
The
detectives
followed
a
muddy
trail
of
footprints
to
the
back
door
.
The
detectives
followed
a
muddy
trail
of
footprints
to
the
back
door
.
•
The
ants
formed
a
living
trail
from
the
sugar
bowl
to
their
nest
.
The
ants
formed
a
living
trail
from
the
sugar
bowl
to
their
nest
.
noun
a
long
thin
line
or
stream
left
behind
by
a
moving
object
,
such
as
smoke
,
vapor
,
or
light
.
•
The
plane
left
a
white
trail
of
vapor
across
the
clear
blue
sky
.
The
plane
left
a
white
trail
of
vapor
across
the
clear
blue
sky
.
•
A
glowing
trail
of
sparks
followed
the
firework
as
it
arced
overhead
.
A
glowing
trail
of
sparks
followed
the
firework
as
it
arced
overhead
.
verb
-
trail
,
trailing
,
trails
,
trailed
to
pull
or
let
something
hang
so
that
it
drags
along
the
ground
behind
you
.
•
She
trailed
her
scarf
in
the
snow
without
noticing
.
She
trailed
her
scarf
in
the
snow
without
noticing
.
•
The
little
boy
trailed
his
toy
truck
by
a
string
across
the
yard
.
The
little
boy
trailed
his
toy
truck
by
a
string
across
the
yard
.
verb
-
trail
,
trailing
,
trails
,
trailed
to
move
slowly
or
fall
behind
others
because
you
are
tired
or
slower
.
•
The
children
trailed
behind
their
teacher
during
the
museum
tour
.
The
children
trailed
behind
their
teacher
during
the
museum
tour
.
•
I
started
to
trail
after
the
fourth
mile
of
the
race
.
I
started
to
trail
after
the
fourth
mile
of
the
race
.
verb
-
trail
,
trailing
,
trails
,
trailed
to
be
behind
an
opponent
in
points
,
votes
,
or
progress
.
•
Our
team
trailed
by
two
goals
at
halftime
.
Our
team
trailed
by
two
goals
at
halftime
.
•
The
candidate
still
trails
her
rival
in
the
latest
polls
.
The
candidate
still
trails
her
rival
in
the
latest
polls
.
noun
a
record
or
sequence
of
evidence
that
shows
what
someone
has
done
or
how
something
happened
,
especially
in
documents
or
data
.
•
The
email
trail
revealed
who
had
approved
the
payment
.
The
email
trail
revealed
who
had
approved
the
payment
.
•
Hackers
tried
to
erase
their
digital
trail
,
but
the
security
team
found
it
.
Hackers
tried
to
erase
their
digital
trail
,
but
the
security
team
found
it
.
verb
-
trail
,
trailing
,
trails
,
trailed
to
grow
or
hang
downward
or
over
a
surface
in
a
loose
line
.
•
Ivy
trailed
down
the
old
brick
wall
.
Ivy
trailed
down
the
old
brick
wall
.
•
Her
long
hair
trailed
over
her
shoulders
.
Her
long
hair
trailed
over
her
shoulders
.
verb
-
trail
,
trailing
,
trails
,
trailed
to
secretly
follow
someone
in
order
to
find
out
where
they
go
or
what
they
do
.
•
The
private
detective
trailed
the
suspect
for
three
days
.
The
private
detective
trailed
the
suspect
for
three
days
.
•
Police
cars
trailed
the
stolen
van
along
the
highway
.
Police
cars
trailed
the
stolen
van
along
the
highway
.
rail
noun
a
horizontal
or
vertical
bar
that
acts
as
a
fence
,
barrier
,
or
handhold
•
The
child
clutched
the
hand
rail
while
climbing
the
stairs
.
The
child
clutched
the
hand
rail
while
climbing
the
stairs
.
•
He
leaned
on
the
wooden
rail
and
watched
the
river
flow
past
.
He
leaned
on
the
wooden
rail
and
watched
the
river
flow
past
.
From
Middle
English
reil
,
related
to
the
idea
of
a
straight
bar
.
noun
a
long
,
strong
bar
of
steel
that
forms
part
of
the
track
trains
run
on
•
The
train
screeched
as
it
glided
along
the
shiny
rail
.
The
train
screeched
as
it
glided
along
the
shiny
rail
.
•
Engineers
replaced
several
worn
rails
on
the
bridge
before
reopening
the
line
.
Engineers
replaced
several
worn
rails
on
the
bridge
before
reopening
the
line
.
From
Old
French
rail
,
from
Latin
regula
meaning
a
straight
bar
or
rule
.
noun
-
rail
the
system
of
trains
and
the
tracks
they
run
on
,
used
as
a
way
of
transport
•
It
is
cheaper
to
send
the
packages
by
rail
than
by
truck
.
It
is
cheaper
to
send
the
packages
by
rail
than
by
truck
.
•
The
family
travelled
across
the
country
on
rail
,
enjoying
the
scenery
.
The
family
travelled
across
the
country
on
rail
,
enjoying
the
scenery
.
Developed
from
the
use
of
steel
rails
for
trains
in
the
early
19th
century
.
verb
-
rail
,
railing
,
rails
,
railed
to
speak
or
complain
angrily
and
loudly
,
especially
against
something
•
Protesters
gathered
to
rail
against
the
new
tax
law
.
Protesters
gathered
to
rail against
the
new
tax
law
.
•
Online
commenters
continued
to
rail
at
the
decision
long
after
the
meeting
ended
.
Online
commenters
continued
to
rail
at
the
decision
long
after
the
meeting
ended
.
From
Old
French
railler
meaning
to
tease
or
mock
,
later
shifting
to
angry
complaint
.
noun
a
shy
marsh
bird
with
a
slender
body
and
long
toes
,
belonging
to
the
Rallidae
family
•
We
spotted
a
clapper
rail
skulking
in
the
marsh
grasses
.
We
spotted
a
clapper
rail
skulking
in
the
marsh
grasses
.
•
The
shy
rail
darted
into
the
reeds
before
anyone
could
take
a
photo
.
The
shy
rail
darted
into
the
reeds
before
anyone
could
take
a
photo
.
Name
linked
to
Old
French
raelle
,
a
water
bird
.
trailer
noun
a
vehicle
or
wheeled
platform
that
is
pulled
by
a
car
,
truck
,
or
tractor
to
move
goods
,
animals
,
or
equipment
•
The
farmer
loaded
hay
bales
onto
the
trailer
behind
his
tractor
.
The
farmer
loaded
hay
bales
onto
the
trailer
behind
his
tractor
.
•
We
attached
a
small
trailer
to
the
car
for
our
camping
trip
.
We
attached
a
small
trailer
to
the
car
for
our
camping
trip
.
From
trail
+
-er
,
first
recorded
in
the
late
19th
century
for
wagons
pulled
behind
motor
vehicles
noun
a
short
promotional
video
that
shows
exciting
parts
of
a
future
movie
,
TV
program
,
or
game
to
attract
an
audience
•
The
action
film
’
s
trailer
got
millions
of
views
online
.
The
action
film
’
s
trailer
got
millions
of
views
online
.
•
After
seeing
the
scary
trailer
,
Maya
decided
not
to
watch
the
horror
movie
.
After
seeing
the
scary
trailer
,
Maya
decided
not
to
watch
the
horror
movie
.
First
applied
to
film
advertising
in
the
early
20th
century
because
they
originally
trailed
after
the
main
feature
noun
a
large
vehicle
or
structure
on
wheels
,
often
placed
in
a
park
,
that
people
use
as
a
permanent
or
semi-permanent
home
•
They
bought
a
trailer
in
Florida
and
spend
winters
there
.
They
bought
a
trailer
in
Florida
and
spend
winters
there
.
•
The
storm
damaged
several
trailers
in
the
park
.
The
storm
damaged
several
trailers
in
the
park
.
Extension
of
the
vehicle
sense
;
U
.
S
.
usage
from
the
1930s
when
house
trailers
became
popular
for
affordable
housing
noun
extra
data
placed
at
the
end
of
a
computer
file
or
message
that
carries
control
information
or
marks
where
it
finishes
•
The
network
packet
includes
a
header
and
a
trailer
for
error
checking
.
The
network
packet
includes
a
header
and
a
trailer
for
error
checking
.
•
Removing
the
corrupted
trailer
fixed
the
video
file
.
Removing
the
corrupted
trailer
fixed
the
video
file
.
Adopted
by
computer
engineers
by
analogy
with
the
section
that
comes
after
(
trails
)
the
main
data
block
railroad
noun
a
system
of
tracks
,
trains
,
and
related
facilities
used
for
moving
passengers
or
goods
over
land
•
The
new
railroad
allowed
farmers
to
send
their
crops
to
distant
cities
in
just
a
few
days
.
The
new
railroad
allowed
farmers
to
send
their
crops
to
distant
cities
in
just
a
few
days
.
•
Tourists
love
taking
the
historic
railroad
through
the
mountains
to
see
the
autumn
leaves
.
Tourists
love
taking
the
historic
railroad
through
the
mountains
to
see
the
autumn
leaves
.
Early
19th
century
,
from
rail
+
road
,
patterned
after
earlier
British
use
of
“
rail-way
.”
verb
to
move
people
or
goods
from
one
place
to
another
by
train
•
The
company
plans
to
railroad
the
steel
from
the
mill
to
the
port
overnight
.
The
company
plans
to
railroad
the
steel
from
the
mill
to
the
port
overnight
.
•
During
the
war
,
troops
were
railroaded
across
the
country
in
record
time
.
During
the
war
,
troops
were
railroaded
across
the
country
in
record
time
.
Derived
from
the
noun
sense
“
railroad
” (
train
system
),
first
attested
mid-19th
century
.
verb
to
force
something
through
quickly
or
unfairly
,
especially
a
decision
or
legal
judgment
,
without
proper
discussion
or
fairness
•
The
committee
tried
to
railroad
the
new
law
through
before
anyone
could
debate
it
.
The
committee
tried
to
railroad
the
new
law
through
before
anyone
could
debate
it
.
•
She
felt
the
prosecutor
railroaded
her
client
into
a
quick
plea
bargain
.
She
felt
the
prosecutor
railroaded
her
client
into
a
quick
plea
bargain
.
Figurative
use
recorded
from
the
late
19th
century
,
comparing
the
swift
,
one-directional
movement
of
trains
to
pushing
a
decision
forward
without
obstacles
.