noun
causeway
KAWZ-way/ˈkɔːzweɪ/
A raised road or path across water or low, wet ground.
The causeway crosses the marsh on a raised embankment.

Etymology
The first piece already meant a raised road, so adding “way” reinforced its road sense. The defining feature is a dry passage built above surrounding wet or low ground.
In context
he built what is called a causeway he just got debris from the old city and they built a roadway into the ocean
More examples
- Water covered the low causeway at high tide.
- We crossed the marsh on a raised causeway.
- Workers repaired the causeway after the storm.
Forms
causeway · causeways
Similar words
- bridge
- A bridge spans a gap on supports; a causeway often rests on a raised embankment.
- embankment
- An embankment is a raised bank; a causeway uses one to provide a crossing.