Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary


noun nek·ton \ˈnek-tən, -ˌtän\

Definition of nekton

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


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

First Known Use: 1893

Rhymes with nekton

Learn More about nekton

Seen and Heard

What made you want to look up nekton? Please tell us where you read or heard it (including the quote, if possible).