adverb Anatomy, Zoology.
toward the mouth or the oral region.
Origin of orad
1890–95; < Latin ōr- (stem of ōs) mouth + -ad3
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
In a direction toward the mouth.
Situated nearer the mouth in relation to a specific reference point.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.