migraine Migonitis • migrainoid · · · Info · Definitions · Synonyms · Characters · · migraine · · Text Latin · · Script 8 · · Length Definitions · · · (noun) a severe recurring vascular headache; occurs more frequently in women than men. Synonyms: megrim, sick headache, hemicrania. · · Noun Definition 1 Synonyms · · · megrim · · Synonym 1 sick headache · · Synonym 2 hemicrania · · Synonym 3 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E r latin small letter r U+0072