(zoology) a butterfly in the nymphalid tribe Ithomiini.

(archaic) Third-person singular simple present indicative form of invalidate

(anatomy) A vascular birthmark or naevus, usually on the head and neck, consisting of an overgrowth of capillaries which produce a reddish to purplish discoloration of the skin.

Frightened into submission. / For quotations using this term, see Citations:cowed.