From WordNet (r) 3.0 (2006) [wn]:
sandy
adj 1: of hair color; pale yellowish to yellowish brown; "flaxen
locks" [syn: flaxen, sandy]
2: resembling or containing or abounding in sand; or growing in
sandy areas; "arenaceous limestone"; "arenaceous grasses"
[syn: arenaceous, sandy, sandlike] [ant:
argillaceous, clayey]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Sandy \Sand"y\, a. [Compar. Sandier; superl. Sandiest.] [AS.
sandig.]
1. Consisting of, abounding with, or resembling, sand; full
of sand; covered or sprinkled with sand; as, a sandy
desert, road, or soil.
[1913 Webster]
2. Of the color of sand; of a light yellowish red color; as,
sandy hair.
[1913 Webster]