Definition of migraine

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< mignonette

migrant >

mi·graine    (mgrn) KEY 

NOUN:

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.

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ETYMOLOGY:
Middle English, from Old French, from Late Latin hmicrnia, from Greek hmikrni : hmi-, hemi- + krnion, head; see ker-¹ in Indo-European roots

OTHER FORMS:
mi·grainous(Adjective)