breech

1. (historical, now only in the plural or attributive) A garment whose purpose is to cover or clothe the buttocks.Examples: "'Lat be,' quod he, ‘it shal nat be, so theech! Thou woldest make me kisse thyn old breech, And swere it were a relik of a seint,"; "The stallion lipped Alanna’s breech pockets. “He’s spoiled rotten.” Fishing a lump of sugar out, she fed it to him."; "The typical American combat soldier in World War I wore an olive-drab tunic, stiff at the neck, breech-style trousers, and combat shoes with canvas leggings or, preferably, wrappings."attributivecountablehistoricalin-pluraluncountable

2. (now rare) The buttocks or backside.Examples: "And he made a woman for playing the whore, sit upon a great stone, on her bare breech twenty-foure houres, onely with corne and water, every three dayes, till nine dayes were past […]"; "When pamper'd Cupids, bestly Veni's, / And motly, squinting Harvequini's, / Shall lick no more their Lady's Br—, / But die of Looseness, Claps, or Itch; / Fair Thames from either ecchoing Shoare / Shall hear, and dread my manly Roar."; ""Oho!" says Thwackum, "you will not! then I will have it out of your br—h;" that being the place to which he always applied for information on every doubtful occasion."archaiccountableuncountable

3. (firearms) The part of a cannon or other firearm behind the chamber.countableuncountable

4. (nautical) The external angle of knee timber, the inside of which is called the throat.countableuncountable

5. (obstetrics) A breech birth.countableuncountable