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