Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to horn fly: stable fly
A small dark-gray fly (Haematobia irritans) that sucks blood from cattle, often biting around the base of the horns.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.