heartworm Hear it!

heartworm definition

heart·worm (härt′wʉrm′)

noun

a nematode worm (Dirofilaria immitis) transmitted by mosquitoes or fleas that is parasitic in the bloodstream, esp. in the heart, of dogs, cats, etc.

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.