ROOF n.
The surface or bed of rock immediately overlying a bed of coal or a flat vein. Bell roof, French roof, etc. (Arch.) See under Bell, French, etc. -- Flat roof. (Arch.) (a) A roof actually horizontal and level, as in some Oriental buildings. (b) A roof nearly horizontal, constructed of such material as allows the water…
SAGE n.
, a small sparrow (Amphispiza Belli, var Nevadensis) which inhabits the dry plains of the Rocky Mountain region, living among sagebrush. -- Sage thrasher (Zoöl.), a singing bird (Oroscoptes montanus) which inhabits the sagebrush plains of Western North America. -- Sage willow (Bot.), a species of willow (Salix tristi…
SALIFEROUS a.
Producing, or impregnated with, salt. Saliferous rocks (Geol.), the New Red Sandstone system of some geologists; -- so called because, in Europe, this formation contains beds of salt. The saliferous beds of New York State belong largely to the Salina period of the Upper Silurian. See the Chart of Geology.…