corset

Short definition from Wiktionary

Noun

1. 1
   A woman's foundation garment, reinforced with stays, that supports the waistline, hips and bust.
2. 2
   A tight-fitting gown or basque worn by both men and women during the Middle Ages.
3. 3
   A regulation that limited the growth of British banks' interest-bearing deposits.

Verb

1. 1
   To enclose in a corset; to wear a corset.
2. 2
   To restrict or confine.