[ uh-kwat-ik, uh-kwot- ]
/ əˈkwæt ɪk, əˈkwɒt- /


of, in, or pertaining to water.
living or growing in water: aquatic plant life.
taking place or practiced on or in water: aquatic sports.


an aquatic plant or animal.
aquatics, sports practiced on or in water.

Origin of aquatic

1480–90; < Latin aquāticus, equivalent to aqu(a) water + -āticus (see -ate1, -ic); replacing late Middle English aquatyque < Middle French < Latin, as above

Related forms

a·quat·i·cal·ly, adverbnon·a·quat·ic, adjectivetrans·a·quat·ic, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for aquatic

British Dictionary definitions for aquatic


/ (əˈkwætɪk, əˈkwɒt-) /


growing, living, or found in water
sport performed in or on water


a marine or freshwater animal or plant

Word Origin for aquatic

C15: from Latin aquāticus, from aqua water
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for aquatic


[ ə-kwătĭk ]

Relating to, living in, or growing in water.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.