From Longman Dictionary of Contemporary EnglishRelated topics: Humanbuttockbut‧tock /ˈbʌtək/ ●○○ noun [countable usually plural]HBHone of the fleshy parts of your body that you sit onExamples from the Corpusbuttock• Of these elongatedseats those contoured to give good support to the thighs and buttocks were most popular.• He laystinking in the putrid morning sun, trouserspulled down around his buttocks.• He lay in a sort of mentalhaze until a feeling of restriction just below his buttockspenetrated his still slumbering state.• She kneads my buttocks, shaping them to her hands, spreading them apart.• She found it, pushed the door open, the light exposing rounded buttocks as she tumbled from the car.• I released her hand and grasped her firmly by the buttocks, small but ripe.OriginbuttockOld Englishbuttuc