n. 1. A roadway on a raised bed of earth, rubble, or other fill, usually crossing open water or a wetland. 2. A long bridge consisting of many short spans. 3. Archaic A paved highway. [Middle English caucewei : cauce, raised road (from Norman French caucie, from Medieval Latin calciāta (via), paved (road), from Latin calx, calc-, limestone; see CALX) + wei, road (variant of way; see WAY).] (click for a larger image) causewaycauseway to the island St. Michael's Mount Cornwall, England |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.