carpal

noun

1. Any of the eight bones of the wrist (carpus).

adj

1. (not-comparable)Of or pertaining to the carpus.
2. (not-comparable)Of or pertaining to the obvious bend in a bird's wing.

   “The human wrist contains eight carpal bones and the hand has five metacarpals , but in birds just a couple of tiny carpal bones remain besides the carpometacarpus; these are the radiale and the ulnare, involved in the folding of the wrist joint.”