Adobe
Adobe (ȧ*dō"ba) , noun
[Sp.]
1.
An unburnt brick dried in the sun; also used as an adjective, as, an adobe house, in Texas or New Mexico.
2.
Earth from which unburnt bricks are made. [Western United States]
3.
(Geology) Alluvial and playa clays of desert and arid regions, differing from ordinary clays of humid regions in containing carbonates and other soluble minerals.