sucker

noun

1. 1

   mostly North American freshwater fishes with a thick-lipped mouth for feeding by suction; related to carps

2. 2

   an organ specialized for sucking nourishment or for adhering to objects by suction

3. 3

   hard candy on a stick

4. 4

   flesh of any of numerous North American food fishes with toothless jaws

5. 5

   a person who is gullible and easy to take advantage of

6. 6

   a drinker who sucks (as at a nipple or through a straw)

7. 7

   a shoot arising from a plant's roots