The Collaborative International Dictionary
Subaquatic \Sub`a*quat"ic\, Subaqueous \Sub*a"que*ous\, a.
Being under water, or beneath the surface of water; adapted for use under water; submarine; as, a subaqueous helmet.
(Geol.) Formed in or under water; as, subaqueous deposits.
Wiktionary
a. Located or living under water; submarine.
WordNet
adj. growing or remaining under water; "viewing subaqueous fauna from a glass-bottomed boat"; "submerged leaves" [syn: subaqueous, submerged, submersed, underwater]
partially aquatic; living or growing partly on land and partly in water; "a marginal subaquatic flora" [syn: semiaquatic]
Usage examples of "subaquatic".
Dunn is the crown prince of Atilta, a subaquatic nation off the coast of France.
Jonathan Dunn is the crown prince of Atilta, a subaquatic nation off the coast of France.
The subaquatic primal drumbeats grow louder as the water around me is satiated with red.
Cables trailed from the stern, pulling hydrophones and speakers on a subaquatic sled.
He entered the ballroom--and found that the subaquatic motif was gone.