megrim

1. See migraine.
2. megrims A caprice or fancy. Often used in the plural.
3. megrims Depression or unhappiness: "If these megrims are the effect of Love, thank Heaven, I never knew what it was" (Samuel Richardson).

[Middle English migrem, variant of migraine. See migraine.]

Flat fish, the British smooth sole or scaldfish, Psetta arnoglossa.

noun

An impulsive, often illogical turn of mind: bee, boutade, caprice, conceit, fancy, freak, humor, impulse, notion, vagary, whim, whimsy. Idioms: bee in one's bonnet. See thoughts.

Pigeon fanciers’ name for salmonellosis caused by Salmonella typhimurium.