D defs.my
Entry 1 sense Webster, 1913

Strait-jacket

· Strait·-jack·et · IPA
01 n. A dress of strong materials for restraining maniacs or those who are violently delirious. It has long sleeves, which are closed at the ends…
  1. 1.
    A dress of strong materials for restraining maniacs or those who are violently delirious. It has long sleeves, which are closed at the ends, confining the hands, and may be tied behind the back.