Cay (noun)

1. A small, low-lying island formed on the surface of a coral reef.
2. A type of island that is usually sandy and situated in shallow water near the coast.

Origin:

Derived from the spanish word "cayo", meaning "small island".

Examples:

1. The Caribbean is home to many beautiful cays, each with its own unique character and natural beauty.
2. Many cays are protected as wildlife preserves, home to a variety of tropical birds and other creatures.
3. Tourists often visit the cays for their stunning white sand beaches and turquoise waters.
4. The lush vegetation of the cays provides a habitat for many different species of animals.
5. Cays can be found in many parts of the world, from the Caribbean to the Great Barrier Reef.