submersed (Adjective) — Beneath the surface of the water. ex. "submersed rocks"
submersed (Adjective) — (biology) growing or remaining under water. ex. "viewing submersed fauna from a glass-bottomed boat"
submersed (Verb) — Sink below the surface; go under or as if under water.
submersed (Verb) — Put under water. ex. "submerse your head completely"