1. A fish of the family Catostomidae.
  2. A basal shoot of a tree or other plant that competes with the main stem, or a shoot from a lower limb which competes with that limb, such as certain branches of the tomato plant.
  3. The organ by which some organisms, such as the leech, lamprey, and remora, attach to other organisms.
  4. A type of hard candy.
  5. A slang term for a gullible person.

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