'Scaphognathite' definitions:

Definition of 'Scaphognathite'

From: GCIDE

Scaphognathite \Sca*phog"na*thite\, n. [Gr. ska`fh boat + gna`qos jaw.] (Zool.) A thin leafike appendage (the exopodite) of the second maxilla of decapod crustaceans. It serves as a pumping organ to draw the water through the gill cavity. [1913 Webster]