Main Entry:

mi·graine

Pronunciation:

\ˈmī-ˌgrān, British often ˈmē-\

Function:

noun

Etymology:

Middle English mygreyn, from Middle French migraine, modification of Late Latin hemicrania pain in one side of the head, from Greek hēmikrania, from hēmi- hemi- + kranion cranium

Date:

15th century

1 : a condition marked by recurrent severe headache often with nausea and vomiting 2 : an episode or attack of migraine

— mi·grain·ous \-ˌgrā-nəs\ adjective