/in'keuh nooh", -nyooh", ing'-/ ; Fr. /aonn kaw nyuu"/ , n. , pl. inconnus /-noohz", -nyoohz"/ ; Fr. /-nyuu"/ , ( esp. collectively for 2 ) inconnu .
1. a person who is unknown; stranger.
2. Also called sheefish . a game fish, Stenodus leucichthys, of fresh or brackish northern waters.
[ 1800-10; in- IN- 3 + connu, ptp. of connaître to know, be acquainted with cognoscere; see COGNITION ]