carpal Syllabification: (car·pal)Pronunciation: /ˈkärpəl/Definition of carpal adjective relating to the bones forming the human carpus (wrist), or to their equivalent in an animal’s forelimb. See carpus. noun any of the carpal bones. Origin: mid 18th century: from carpus + -alcarpal in other Oxford dictionaries Definition of carpal in the British & World English dictionary