'Selachian' definitions:
Definition of 'selachian'
(from WordNet)
noun
Any of numerous fishes of the class Chondrichthyes characterized by a cartilaginous skeleton and placoid scales: sharks; rays; skates [syn: elasmobranch, selachian]
Definition of 'Selachian'
From: GCIDE
- Selachian \Se*la"chi*an\, n. (Zool.) One of the Selachii. See Illustration in Appendix. [1913 Webster]