1. A stratum, layer or row.

The lowest ledge or row should be merely of stone.

2. A ridge; a prominent row; as a ledge of rocks.

3. A prominent part; a regular part rising or projecting beyond the rest.

4. A small molding.

5. A small piece of timber placed athwart ships, under the deck between the beams.

6. A long ridge of rocks near the surface of the sea.