Me"grim (?), n. [OE. migrim, migrene, F. migraine, LL. hemigrania, L. hemicrania, hemicranium, Gr. ; - half + skull. See Hemi- and Cranium, and cf. Hemicrania, Migraine.]
1.
A kind of sick or nevrous headache, usually periodical and confined to one side of the head.
2.
A fancy; a whim; a freak; a humor; esp., in the plural, lowness of spirits.
These are his megrims, firks, and melancholies.
Ford.
3. pl. Far.
A sudden vertigo in a horse, succeeded sometimes by unconsciousness, produced by an excess of blood in the brain; a mild form of apoplexy.
Youatt.
© Webster 1913.
Me"grim, n. [Etymol. uncertain.] Zool.
The British smooth sole, or scaldfish (Psetta arnoglossa).
© Webster 1913.