The line at which the earth's surface and the sky appear to meet
The circular boundary of the part of the earth's surface visible from a particular point, ignoring irregularities and obstructions
A great circle of the celestial sphere, the plane of which passes through the center of the earth and is parallel to that of the apparent horizon of a place
The limit of a person's mental perception, experience, or interest
HORIZON, the line where the sky seems to meet the earth [n]
A layer of soil or rock, or a set of strata, with particular characteristics
A level of an excavated site representing a particular period
HORIZON, the line where earth and sky seem to meet [n]