Noah Webster
Aquatic
AQUAT'IC, adjective [Latin aquaticus. See Aqua.]
Pertaining to water; applied to animals which live in water, as fishes; or to such as frequent it, as aquatic fowls; applied to plants, it denotes such as grown in water. Aquatical is Rarely used.
AQUAT'IC, noun A plant which grows in water, as the flag.