- (in quadrupeds) pertaining to or toward the rear or caudal end of the body.
- (in humans and other primates) pertaining to or toward the back plane of the body, equivalent to the dorsal surface of quadrupeds.
Origin of posterior
Examples from the Web for posteriorly
Historical Examples of posteriorly
Posteriorly it opens into and is continuous with the windpipe.Special Report on Diseases of the Horse
United States Department of Agriculture
Note that posteriorly the abdominal muscles are attached to a bone.Elementary Zoology, Second Edition
Vernon L. Kellogg
Posteriorly, Meckel's cartilage is dorsal to the angulosplenial.
Anteriorly the belly is a cream-color; posteriorly it is black.
Posteriorly the blotches are less distinct, fading into the uniform grayish tan ground color of the posterior part of the body.
Word Origin for posterior
1530s, "later," from Latin posterior "after, later, behind," comparative of posterus "coming after, subsequent," from post "after" (see post-). Meaning "situated behind" is from 1630s.
"buttocks," euphemistic, 1610s, from posterior (adj.). Earlier it meant "those who come after, posterity" (1530s). Cf. Lithuanian pasturas "the last, the hindmost," from pas "at, by."