'Plagiostomata' definitions:

Definition of 'Plagiostomata'

From: GCIDE

Plagiostomi \Pla`gi*os"to*mi\, n. pl. [NL., from Gr. pla`gios slanting + ?, ?, mouth.] (Zool.) An order of fishes including the sharks and rays; -- called also {Plagiostomata}. [1913 Webster]