The line that forms the apparent boundary between Earth & sky
[DOC] [TLE] horizon - definition, etymology and usage, examples and related ... [PAR] n horizon The circle which at sea forms the apparent boundary between sea and 
... line formed by the apparent meeting of the earth and skyin astronomical... [DOC] [TLE] Horvent Advisory Services - Business Development in Spain [PAR] Horvent is the acronym of Horizontem (Horizon in Latin) Ventures.