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mainframe
noun
-
mainframe
,
mainframing
,
mainframes
,
mainframed
a
large
powerful
computer
used
mainly
by
large
organizations
for
bulk
data
processing
such
as
transactions
,
payroll
,
and
inventory
management
.
•
The
bank's
mainframe
processes
millions
of
transactions
every
day
.
The
bank's
mainframe
processes
millions
of
transactions
every
day
.
•
Universities
often
use
mainframes
for
student
record
management
.
Universities
often
use
mainframes
for
student
record
management
.
From
"
main
"
+
"
frame
",
originally
referring
to
the
large
structural
frame
housing
the
central
processor
of
early
computers
in
the
mid-20th
century
.