The Collaborative International Dictionary of English v.0.48:
Immerse \Im*merse"\, v. t. [imp. & p. p. Immersed; p. pr. &
vb. n. Immersing.]
1. To plunge into anything that surrounds or covers,
especially into a fluid; to dip; to sink; to bury; to
Deep immersed beneath its whirling wave. --J Warton.
More than a mile immersed within the wood. --Dryden.
2. To baptize by immersion.
3. To engage deeply; to engross the attention of; to involve;
The queen immersed in such a trance. --Tennyson.
It is impossible to have a lively hope in another
life, and yet be deeply immersed inn the enjoyments
of this. --Atterbury.