1. a garment similar to a jacket that is used to bind the arms tightly against the body as a means of restraining a violent person; [syn: straitjacket, straightjacket]
WordNet (r) 3.0 (2006):
straightjacket
n 1: a garment similar to a jacket that is used to bind the arms
tightly against the body as a means of restraining a
violent person [syn: straitjacket, straightjacket]