a. Zool. Related to the genus of fishes Chimæra, having the tail ending in a slender thread, the head pointed, and only one spiracle. Also sb.
1854. Owen, in Circ. Sc. (1865), II. 97/1. The cylindrical dental masses of the chimæroid and edaphodont fishes.
1862. Dana, Man. Geol., 278. The Chimæroids [have] only one gill-opening, besides other peculiarities.
