horizon
noun
- 1
the range of interest or activity that can be anticipated
It is beyond the horizon of present knowledge
- 2
the line at which the sky and Earth appear to meet
- 3
the great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth
- 4
a specific layer or stratum of soil or subsoil in a vertical cross section of land
Also useful for “horizon”:Scrabble— High-value letters — see what it scores