Added 9 October 2026 buttocks /ˈbʌ.təks/ noun Categories: The BodyRare Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about buttocks at Wordnik → Where our words come from → The fleshy part of the human body that you sit on. he deserves a good kick in the butt Related Words: arseassbacksidebehindbottombumbunsbuttcanderrierefannyfundament Back to today's word