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.
A lighthouse is a tower topped with a very bright light called a beacon. The beacon. is used by sailors to help guide their ship at night. Lighthouses come in all shapes. and sizes. They are usually located on the coast, on islands, or in the middle of busy. harbors. Florida lighthouses are commonly found near inlets, on low lying islands. called keys, or over dangerous underwater reefs.