metapterygium

noun
me·​tap·​ter·​yg·​i·​um | \ mə̇¦taptə¦rijēəm \
plural metapterygia\ -​jēə \

Definition of metapterygium

: 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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History and Etymology for metapterygium

New Latin, from meta- + Greek pterygion fin, literally, small wing

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Cite this Entry

“Metapterygium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/metapterygium. Accessed 19 Aug. 2022.

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