uning noun English. The shutter of certain mollusks" shells: operculum. Example sentence: Subanen. Ki susu', guningen, iini mbaal takepen, laak kig lelemes, guningen, mititenga' di guneden. English. The ‘cat's eye’ of the susu' snail is its door, but the lelemes snail's ‘cat's eye’ is in the middle of its flesh. Generic. takep