WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an alkaloid derived from ergot (trade name Ergotrate Maleate) that is less toxic than ergot; induces muscular contraction of the uterus and is administered after childbirth or abortion
Word Usage
"Especially useful is ergonovine, the N-(1( )-1-hydroxyisopropyl) amide of d-lysergic acid, which is employed commercially as an oxytocic agent."