Definition of buttock in English:

buttock

Line breaks: but|tock
Pronunciation: /ˈbʌtək
 
/

noun

Either of the two round fleshy parts of the human body that form the bottom.
More example sentences
  • This time I manage to land with my entire body weight centered on my right buttock.
  • He was suffering pain at the base of his buttock and also behind his knees, mainly on the right.
  • Standing in an upright position, hold on to a chair for support, then extend your left leg straight behind you until you feel your buttock tighten.
Synonyms
backside, behind, seat, rump, rear, rear end; cheeks, hindquarters, haunches; Britishbottom; Frenchderrière; GermanSitzfleisch
technical nates
informal sit-upon, stern, BTM, tochus
British informal bum, botty, prat, jacksie
Scottish informal bahookie
North American informal butt, fanny, tush, tushie, tail, duff, buns, booty, caboose, heinie, patootie, keister, tuchis, bazoo, bippy
West Indian informal batty
humorous fundament, posterior
black English rass, rusty dusty
British vulgar slang arse, clunge
North American vulgar slang ass
archaic breech

Origin

Old English buttuc, probably from the base of butt3 + -ock.

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