Littoral \Lit"to*ral\, a. [L. littoralis, litoralis, from littus, litus, the seashore: cf. F. littoral.]

1. Of or pertaining to a shore, as of the sea.

2. (Biol.) Inhabiting the seashore, esp. the zone between high-water and low-water mark.

Source: Webster's Revised Unabridged Dictionary (1913)