v. t.
I would thou didst,
So half my Egypt were submerged. Shak. [ 1913 Webster ]
v. i. To plunge into water or other fluid; to be buried or covered, as by a fluid; to be merged; hence, to be completely included. [ 1913 Webster ]
Some say swallows submerge in ponds. Gent. Mag. [ 1913 Webster ]
n. [ From L. submergens, p. pr. ] The act of submerging, or the state of being submerged; submersion. [ 1913 Webster ]