nekton

noun nek·ton \ ˈnek-tən , -ˌtän \

Definition of nekton

:free-swimming aquatic animals essentially independent of wave and current action

nektonic

play \nek-ˈtä-nik\ adjective

Origin and Etymology of nekton

German Nekton, from Greek nēkton, neuter of nēktos swimming, from nēchein to swim — more at natant


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