Submerged
WordNet
adjective
(1) Under water; e.g. at the bottom of a body of water
"Sunken treasure"
"A sunken ship"
(2) Growing or remaining under water
"Viewing subaqueous fauna from a glass-bottomed boat"
"Submerged leaves"
(3) Beneath the surface of the water
"Submerged rocks"
WiktionaryText