aquatic

 
Pronunciation: /əˈkwatɪk, -ˈkwɒt-/

adjective

  • relating to water: animals have eyes adapted to the hues of their aquatic home those who favour cycling or various aquatic sports
  • (of a plant or animal) growing or living in or near water: aquatic plants the bay could support aquatic life

noun

  • 1an aquatic plant or animal, especially one suitable for a pond or aquarium: water lilies and other deep-water aquatics specialist aquatics suppliers
  • 2 (aquatics) sports played in or on water.

Origin:

late 15th century (in the sense 'watery, rainy'): from Old French aquatique or Latin aquaticus, from aqua 'water'