vestigial
5.Purposelessness in natural structures, as manifested by the existence of vestigial or nonfunctional organs or parts.
6.A vestigial digit or claw not reaching the ground and found on the feet of certain mammals.
7.any of several whales inhabiting all oceans and having beaklike jaws with vestigial teeth in the upper jaw.
8.a ratite bird order: flightless ground birds having vestigial wings and long bills and small eyes: kiwis.
9.Any of various medium to large butterflies of the family Nymphalidae, found worldwide and characterized by vestigial forelegs and often brilliant coloring.
10.Any of several flightless birds of the genus Apteryx native to New Zealand, having vestigial wings and a long, slender bill.


