from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A white crystalline compound, C19H16O4, used as a rodenticide and as an anticoagulant.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An anticoagulant medication that is used for the prophylaxis of thrombosis and embolism in many disorders.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an anticoagulant (trade name Coumadin) use to prevent and treat a thrombus or embolus
W(isconsin) A(lumni) R(esearch) F(oundation) + (coum)arin.(American Heritage® Dictionary of the English Language, Fourth Edition)
Based on the initialism WARF (Wisconsin Alumni Research Foundation). Compare coumarin. (Wiktionary)