plural noun
Am·​phip·​o·​da | \ amˈfipədə \

Definition of Amphipoda

: a large group, usually an order, of malacostracan crustaceans (division Peracarida) comprising the beach fleas and related forms; being mostly of small size with laterally compressed body, four anterior pairs of thoracic limbs directed forward, and three posterior pairs directed backward and upward, the thoracic limbs bearing gills; being usually aquatic in fresh or salt water, and a few (as the whale louse) being parasitic

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First Known Use of Amphipoda

1817, in the meaning defined above

History and Etymology for Amphipoda

New Latin, from amphi- + -poda

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The first known use of Amphipoda was in 1817

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Cite this Entry

“Amphipoda.” Dictionary, Merriam-Webster, Accessed 30 Jun. 2022.

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