<zoology> An order of ganoid fishes, including the modern gar pikes and many allied fossil forms. They have rhombic, ganoid scales, a heterocercal tail, paired fins without an axis, fulcra on the fins, and a bony skeleton, with the vertebrae convex in front and concave behind, forming a ball and socket joint. See Ganoidel.
Origin: NL.; cf. Gr. Ginglymoid. See Ginglymoid.
(01 Mar 1998)
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