adjective

1. concealed, hidden, disguised, or surreptitious a covert threat
2. Archaic sheltered; protected
3. Law protected by a husband: said of a married woman

Etymology: OFr, pp. of covrir, cover

noun

1. a covered or protected place; shelter
2. a hiding place for game, as underbrush or a thicket
3. covert cloth
4. Zool. any of the small feathers covering a particular area of a bird, as the bases of the larger feathers of a wing or tail