'Pycnaspidean' definitions:

Definition of 'Pycnaspidean'

From: GCIDE

Pycnaspidean \Pyc`nas*pid"e*an\, a. [Gr. ? thick, crowded + ?, ?, a shield.] (Zool.) Having the posterior side of the tarsus covered with small irregular scales; -- said of certain birds. [1913 Webster]