/ ˈmiːgreɪn; ˈmaɪg-; NAmE ˈmaɪg-/ noun
[ U , C ] a very severe type of headache which often makes a person feel sick and have difficulty in seeing :
severe migraine
I'm getting a migraine.
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WORD ORIGIN
late Middle English : from French , via late Latin from Greek hēmikrania , from hēmi- half + kranion skull.