What does aquatic mean?
The definition of aquatic
A*quat”ic, a.
Etym: [L. aquaticus: cf. F. aquatique. See Aqua.]

Pertaining to water growing in water; living in, swimming in, or frequenting the margins of waters; as, aquatic plants and fowls.

A*quat`ic, n.
1 An aquatic animal or plant.
2 pl.
Sports or exercises practiced in or on the water.