The accumulation of thin mucus or other watery fluid in the uterus.
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 hydrometra
Historical Examples of hydrometra
The reader may have often seen the Hydrometra stagnorum walking by jerks on the surface of the water (Fig. 74).The Insect World
Hydrometra stagnorum is a black or brown insect, more or less tinged with reddish, and about half an inch long.