horizon

Definition

The visible horizontal line (in all directions) where the sky appears to meet the earth in the distance.

Etymology

Inherited from Middle English orisonte, orisoun, from Middle French horizon, horizonte, from Old French orisonte, orison, via Latin horizōn, from Ancient Greek ὁρίζων (horízōn), from ὅρος (hóros, “boundary”).

Example Sentences

• "A tall building was visible on the whole sweep of the horizon."
• "Some students take a gap year after finishing high school to broaden their horizons."
• "With clinical researchers hard at work, a new treatment is on the horizon."

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