ETYM French, from Latin horizon, from Greek horizein to bound, limit.
1. The line at which the sky and Earth appear to meet; SYN. apparent horizon, visible horizon, sensible horizon, skyline.
2. The range of interest or activity that can be anticipated; SYN. view, purview.
3. The great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth; SYN. celestial horizon.
4. A specific layer or stratum of soil or subsoil in a vertical cross section of land.
The limit to which one can see across the surface of the sea or a level plain, that is, about 5 km/3 mi at 1.5 m/5 ft above sea level, and about 65 km/40 mi at 300 m/1,000 ft.
ETYM Old Fren. purveu, pourveu, French pourvu, provided, p. p. of Old Fren. porveoir, French pourvoir. Related to Purvey, View, Proviso.
1. The limit or scope of a statute; the whole extent of its intention or provisions; jurisdiction.
2. Limit or sphere of authority; scope; extent.
Scope or range of operation; range of vision or comprehension.
ETYM Italian scopo, Latin scopos a mark, aim, Greek skopos, a watcher, mark, aim; akin to skopein to view, and perh. to Eng. spy. Related to Skeptic, Bishop.
An area in which something acts or operates or has power or control; SYN. range, reach, orbit, compass, ambit.