visible horizon

Found in Anh - Anh (Wordnet)

Definition Noun : The apparent line that separates the sky from the earth or sea. It is the farthest point one can see where the sky and the land or water surface seem to meet. Usage The term "visible horizon" is used to describe the boundary line seen by an observer, which is distinct from the astronomical or geometric horizon. It is a key concept in navigation, aviation, and general observati...