A rock, a skerry.

A ridge or bank of rock, sand, shingle, etc., lying just above or just below the surface of the sea or another body of water, usually in such a way…

A line or reef of rocks.

Chiefly Nautical. A projecting piece of a rock, sandbank, reef, etc., lying at or just beneath the surface of the sea.

With reference to Scotland, esp. those parts of it formerly under Scandinavian influence.

A low-lying island or reef, esp. in the Caribbean or off the south coast of Florida.

A line or reef of rocks.

A low insular bank of sand, mud, rock, coral, etc.; a sandbank; a range of low-lying reefs or rocks; originally applied to such islets around the…