noun🔗ShareالعصعصThe final (bottom-most) fused vertebrae at the base of the spine, the tailbone."After falling on the ice, she felt a sharp pain in her coccyx. "بعد أن سقطت على الجليد، شعرت بألم حاد في العصعص.anatomybodymedicinephysiologyorganpartstructureChat with AIVocabulary GamePractice Reading