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