'Basipterygium' definitions:

Definition of 'Basipterygium'

From: GCIDE

Basipterygium \Ba*sip`te*ryg"i*um\, n. [NL., fr. Gr. ba`sis a base + ptery`gion a fin.] (Anat.) A bar of cartilage at the base of the embryonic fins of some fishes. It develops into the metapterygium. -- {Ba*sip`ter*yg"i*al}, a. [1913 Webster]