Definition of chondrichthyan
: a fish of the class Chondrichthyes : a cartilaginous fish One quarter of all the world's cartilaginous fish species—known as chondrichthyans—are now threatened, reports a study published Tuesday in the journal eLife. — Fabien Tepper, Christian Science Monitor, 23 Jan. 2014 Sharks, rays, and their less numerous kin the chimaeras, or ratfishes, are characterized by skeletons composed of cartilage rather than solid bone. (Collectively, they are known as chondrichthyans; bony fishes are the osteichthyans.) — John G. Maisey, Natural History, June 1998
chondrichthianadjective chondrichthyan fishes
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First Known Use of chondrichthyan
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