sublittoral: Meaning and Definition of

sub•lit•to•ral

1. of or pertaining to the biogeographic region of the ocean bottom between the littoral and bathyal zones, from the low water line to the edge of the continental shelf, or to a depth of approximately 660 ft. (200 m).
2. being or situated in the zone of a lake extending from the lowest depth of rooted photosynthetic plants to the level at which the photosynthetic rate of flora equals the respiration rate.

1. a sublittoral zone or region.