lamprey definition

  • noun:
    • some of various primitive elongated freshwater or anadromous fishes of this family Petromyzontidae, characteristically having a jawless drawing mouth with rasping teeth. Also known as lamper eel.
    • Any very long slender ancient eel-like freshwater and saltwater seafood of this Petromyzontidae family members, having a sucking mouth with rasping teeth but no jaw.
    • An eel-like marsipobranch associated with the genus Petromyzon, and allied genera; labeled as also lamprey eel and lamper eel. The lampreys have a round, drawing mouth, without jaws, but set with many minute teeth, and one to 3 larger teeth from the palate (see Illust. of cyclostomi). There are seven tiny branchial openings on each part.
    • A marsipobranchiate seafood, of an elongated or eel-like kind whenever person.
    • ancient eellike freshwater or anadromous cyclostome having round drawing lips with a rasping tongue

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