chondrichthian

n.

1.

a fish in which the skeleton may be calcified but not ossified; a cartilaginous fish.

Thesaurus

Noun

1.

chondrichthian - fishes in which the skeleton may be calcified but not ossified cartilaginous fish Chondrichthyes, class Chondrichthyes - cartilaginous fishes holocephalan, holocephalian - fish with high compressed head and a body tapering off into a long tail elasmobranch, selachian - any of numerous fishes of the class Chondrichthyes characterized by a cartilaginous skeleton and placoid scales: sharks; rays; skates fish - any of various mostly cold-blooded aquatic vertebrates usually having scales and breathing through gills; "the shark is a large fish"; "in the living room there was a tank of colorful fish"