Search Result for "nekton": 
Wordnet 3.0

NOUN (1)

1. the aggregate of actively swimming animals in a body of water ranging from microscopic organisms to whales;


The Collaborative International Dictionary of English v.0.48:

nekton \nekton\ n. The aggregate of actively swimming animals in a body of water ranging from microscopic organisms to whales. [WordNet 1.5]
WordNet (r) 3.0 (2006):

nekton n 1: the aggregate of actively swimming animals in a body of water ranging from microscopic organisms to whales