To restrain is defined as to hold back or keep under control.(verb)
An example of restrain is someone being put in handcuffs.
See restrain in Webster's New World College Dictionary
Origin: ME restreinen < OFr restreindre < L restringere < re-, back + stringere, to draw tight: see strict
See restrain in American Heritage Dictionary 4
transitive verb re·strained, re·strain·ing, re·strains
Origin: Middle English restreinen
Origin: , from Old French restraindre, restreign-
Origin: , from Latin restringere, to bind back; see restrict.
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