- Being under water, or beneath the surface of water;
adapted for use under water; submarine; as, a subaqueous helmet. - Formed in or under water; as, subaqueous deposits.
Meaning of 'Subaqueous' (Princeton's WordNet)
1 . subaqueous
[ s]
Meaning (1): - growing or remaining under water
Example in sentence:
submerged leaves;
viewing subaqueous fauna from a glass-bottomed boat