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.
The importance of lighthouses is that they help the ships out at sea to find the harbour safley, especially when there are rocks or icebergs which the ships may bump into.1 person found this useful. Edit.he importance of lighthouses is that they help the ships out at sea to find the harbour safley, especially when there are rocks or icebergs which the ships may bump into. 1 person found this useful. Edit.