'Urohyal' definitions:

Definition of 'Urohyal'

From: GCIDE

Urohyal \U`ro*hy"al\, a. [2d uro- + the Gr. letter [Upsilon].] (Anat.) Of or pertaining to one or more median and posterior elements in the hyoidean arch of fishes. -- n. A urohyal bone or cartilage. [1913 Webster]