- the population of free-swimming animals that inhabits the middle depths of a sea or lake
Compare plankton
WordReference Random House Unabridged Dictionary of American English © 2026
nek•ton
(nek′ton, -tən),USA pronunciation n.
nek•ton′ic, adj.
- Zoology, Ecologythe aggregate of actively swimming aquatic organisms in a body of water, able to move independently of water currents.
- German, noun, nominal use of neuter of nēktós swimming (verbid of né̄chein to swim; see nectopod)
- 1890–95
Collins Concise English Dictionary © HarperCollins Publishers::
nekton /ˈnɛktɒn/ n
'nekton' also found in these entries (note: many are not synonyms or translations):