'holocephalan' definitions:

Definition of 'holocephalan'

From: WordNet
noun
Fish with high compressed head and a body tapering off into a long tail [syn: holocephalan, holocephalian]

Definition of 'holocephalan'

From: GCIDE
  • holocephalan \holocephalan\ n. A member of the Holocephali, fish with high compressed heads and a bodies tapering off into a long tail. See also Hoocephali. [WordNet 1.5]