noun me·tap·ter·yg·i·um \mə̇¦taptə¦rijēəm\

Definition of metapterygium



  1. :  the posterior of the three principal basal cartilages in the pectoral fins of some fishes (as sharks and rays) — compare basipterygium

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Origin and Etymology of metapterygium

New Latin, from meta- + Greek pterygion fin, literally, small wing — more at pterygium

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