Definition of causeway

< causerie

caustic >

cause·way    (kôzw) KEY 

NOUN:

1. A raised roadway, as across water or marshland.
2. A paved highway.

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ETYMOLOGY:
Middle English caucewei : cauce, raised road (from Norman French caucie, from Medieval Latin calcita (via), paved (road), from Latin calx, calc-, limestone; see calx) + wei, road (variant of way; see way)