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The Collaborative International Dictionary
Aplodinotus grunniens

Croaker \Croak"er\ (-?r), n.

  1. One who croaks, murmurs, grumbles, or complains unreasonably; one who habitually forebodes evil.

  2. (Zo["o]l.) (a) A small American fish ( Micropogon undulatus), of the Atlantic coast. (a) An American fresh-water fish ( Aplodinotus grunniens); -- called also drum. (c) The surf fish of California.

    Note: When caught these fishes make a croaking sound; whence the name, which is often corrupted into crocus.