Ivory (noun)

1. A hard white material from the tusks (traditionally elephants') and teeth of animals, used in ornaments and decorations and for making knife and sword handles, billiard balls, etc.
2. A pale yellowish-white colour like that of ivory.

Origin:

Middle english: from old french ivoir, from latin eboreus, from ebur "ivory".

Examples:

1. The ivory tusk was worth a fortune.
2. The statue was carved from ivory.
3. The piano keys were made of ivory.
4. The dress had ivory lace.
5. The walls were painted in an ivory color.