from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A headache affecting one side of the head.
from the GNU version of the Collaborative International Dictionary of English
- n. A pain that affects only one side of the head.
from The Century Dictionary and Cyclopedia
- n. In pathology, headache on one side of the head; especially, megrim when confined to one side; also, megrim in any form.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a severe recurring vascular headache; occurs more frequently in women than men
Late Latin hemicrania ("pain in one half of the head"), from Ancient Greek ἡμικρᾱνίᾰ (hemikrania), from ἡμι- (hēmi-, "hemi-, half") + κρανίον (kranion, "skull") (from whence also cranium). (Wiktionary)