aquatic
US /əˈkwɑː.t̬ɪk/
UK /əˈkwɑː.t̬ɪk/

1.
relating to water
:
•
The park has a beautiful aquatic garden.
•
Many aquatic sports are popular in coastal areas.
2.
living or growing in water
:
•
Ducks are aquatic birds.
•
Many types of plants are aquatic, thriving in ponds and lakes.