| polydactyl | (adj) of or relating to a person (or other vertebrate) having more than the normal number of digits, Syn. polydactylous |
| polydactylus | (n) a genus of Polynemidae, Syn. genus Polydactylus |
| polydactyly | (n) birth defect characterized by the presence of more than the normal number of fingers or toes, Syn. hyperdactyly |
| Polydactylism | n. [ Poly- + Gr. &unr_; finger: cf. F. polydactylisme. ] (Anat.) The possession of more that the normal number of digits. [ 1913 Webster ] |