The American Heritage® Dictionary of the English Language, 4th Edition
n. A severe recurring headache, usually affecting only one side of the head, characterized by sharp pain and often accompanied by nausea, vomiting, and visual disturbances. Also called megrim.
n. A severe, disabling headache, usually affecting only one side of the head, and often accompanied by nausea, vomiting, photophobia and visual disturbances.
the GNU version of the Collaborative International Dictionary of English
n. A kind of intense sick or nervous headache, usually periodical and confined to one side of the head; called also migraine headache. Same as megrim.
The Century Dictionary and Cyclopedia
n. Same as megrim.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a severe recurring vascular headache; occurs more frequently in women than men
Word Usage
"He understands all too well the choices "migraineurs" - the word migraine sufferers often use to describe themselves - have to make to live as normal and productive lives as possible."