Definitions for: Alluvial

[adj] of or relating to alluvium

Webster (1913) Definition: Al*lu"vi*al, a. [Cf. F. alluvial. See Alluvion.]
Pertaining to, contained in, or composed of, alluvium;
relating to the deposits made by flowing water; washed away
from one place and deposited in another; as, alluvial soil,
mud, accumulations, deposits.

Al*lu"vi*al, n.
Alluvial soil; specif., in Australia, gold-bearing alluvial
soil.