View your list of saved words. (You can log in using Facebook.)
Definition of HEARTWATER
: a serious febrile disease of sheep, goats, and cattle in southern Africa that is caused by a bacterium of the genus Cowdria (C. ruminantium) transmitted by a bont tick (Amblyomma hebraeum)—called also heartwater disease, heartwater fever
Seen & Heard
What made you want to look up heartwater? Please tell us where you read or heard it (including the quote, if possible).