submerging (Noun) — Sinking until covered completely with water.
submerging (Verb) — Sink below the surface; go under or as if under water.
submerging (Verb) — Cover completely or make imperceptible. ex. "I was submerged in work"
submerging (Verb) — Put under water. ex. "submerge your head completely"
submerging (Verb) — Fill or cover completely, usually with water.