'Selachii' definitions:
Definition of 'Selachii'
From: WordNet
noun
Sharks; rays; dogfishes; skates [syn: Elasmobranchii, subclass Elasmobranchii, Selachii, subclass Selachii]
Definition of 'Selachii'
From: GCIDE
- Selachii \Se*la"chi*i\, n. pl. [NL., fr. Gr. ??? a fish having cartilages instead of bones.] (Zool.) An order of elasmobranchs including the sharks and rays; the Plagiostomi. Called also Selacha, Selache, and Selachoidei. [1913 Webster]