n. 1.a person who is gullible and easy to take advantage of 2.a shoot arising from a plant's roots 3.a drinker who sucks (as at a nipple or through a straw) 4.flesh of any of numerous North American food fishes with toothless jaws 5.hard candy on a stick 6.an organ specialized for sucking nourishment or for adhering to objects by suction 7.mostly North American freshwater fishes with a thick-lipped mouth for feeding by suction