breech /ˈbɹiːt͡ʃ/noun 5verb 5adjective 1adverb 1forms 3 noun5 •A breech birth. •The part of a cannon or other firearm behind the chamber. •[before a noun, in the plural] (historical) A garment whose purpose is to cover or clothe the buttocks. •The external angle of knee timber, the inside of which is called the throat. •(no longer used) The buttocks or backside.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 […] — 1624 verb5 •To fit or furnish with a breech. •(old-fashioned) To dress in breeches. (especially) To dress a boy in breeches or trousers for the first time (the breeching ceremony).[…] it occurred before I was breeched, and I was breeched at three years and a quarter old — 1748 •To fasten with breeching. •(old-fashioned) To beat or spank on the buttocks. •(literary, no longer used) To cover as if with breeches.Their daggers unmannerly breeched with gore. — 1606 adjective1 •Born, or having been born, breech. adverb1 •With the hips coming out before the head. formsbreeched · breeching · breeches