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astronaut
noun
a
person
who
is
trained
to
travel
and
work
in
a
spacecraft
beyond
Earth
’
s
atmosphere
•
The
astronaut
floated
inside
the
International
Space
Station
,
gazing
at
the
blue
planet
below
.
The
astronaut
floated
inside
the
International
Space
Station
,
gazing
at
the
blue
planet
below
.
•
As
a
child
,
Maya
dreamed
of
becoming
an
astronaut
and
exploring
distant
planets
.
As
a
child
,
Maya
dreamed
of
becoming
an
astronaut
and
exploring
distant
planets
.
1950s
:
from
Greek
astron
‘
star
’
+
nautes
‘
sailor
’,
modeled
on
‘
aeronaut
’.