'Metapterygium' definitions:

Definition of 'Metapterygium'

From: GCIDE

Metapterygium \Me*tap`te*ryg"i*um\, n. [NL., fr. Gr. ? after + ? fin.] (Anat.) The posterior of the three principal basal cartilages in the fins of fishes. -- {Me*tap`ter*yg"i*al}, a. [1913 Webster]