The noun CONTINENTAL DIVIDE has 1 sense: 1. the watershed of a continent (especially the watershed of North America formed by a series of mountain ridges extending from Alaska to Mexico). Familiarity information: CONTINENTAL DIVIDE used as a noun is very rare.Dictionary entry details.eronyms (parts of continental divide): Great Divide (that part of the continental divide formed by the Rocky Mountains in the United States). Domain region: North America (a continent (the third largest) in the western hemisphere connected to South America by the Isthmus of Panama).
Definition of lighthouse. 1  1 : a structure (such as a tower) with a powerful light that gives a continuous or intermittent signal to navigators. 2  2 : beacon 3.
landmark-a mark showing the boundary of a piece of land. point of reference, reference point, reference-an indicator that orients you generally; it is used as a reference for comparing the heating and the electrical energy involved.. something used to mark the boundary of land. 3. a building or other place of outstanding historical, aesthetic, or cultural importance. 4. a significant or historic event, juncture, achievement, etc. 5. to declare (a building, site, etc.) a landmark.