Megrim

Definition:

(n.) A kind of sick or nevrous headache, usually periodical and confined to one side of the head.
(n.) A fancy; a whim; a freak; a humor; esp., in the plural, lowness of spirits.
(n.) A sudden vertigo in a horse, succeeded sometimes by unconsciousness, produced by an excess of blood in the brain; a mild form of apoplexy.
(n.) The British smooth sole, or scaldfish (Psetta arnoglossa).

Compare megrim with other words:

megrim vs. whiff