Sexual intercourse between a human and an animal.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for zooerastia
Historical Examples of zooerastia
A fairly typical case of zooerastia has been recorded in America by Howard, of Baltimore.Studies in the Psychology of Sex, Volume 5 (of 6)