buttocks Get Printable Handwriting Rhymes Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. usually plural the rounded fleshy part of the human body behind the hips; rear end. Example Sentence My buttocks is sore from cycling. Synonyms rear; butt; bottom; bum; seat Antonyms front Hear It! Say It! Write It! buttocks Switch to cursive Start Rhymes Two Syllable Rhymes (1) buttocks Share with your friends: