methysergide: Meaning and Definition of

meth•y•ser•gide

Pronunciation: (meth"u-sûr'jīd), [key]
— n. Pharm.
  1. an ergot alkaloid derivative, CHNO, used in the prophylaxis and treatment of migraine and cluster headaches.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.