1.conical buoy - a buoy resembling a cone nun buoy, nunbuoy - bright-colored; a float attached by rope to the seabed to mark channels in a harbor or underwater hazards
conical buoy
conical buoy
[′kän·ə·kəl ′bȯi] (navigation) A buoy whose part above water is in the shape of a cone.
conical buoy - a buoy resembling a cone