gem

What is the Definition of gem?

Noun:

1. art highly prized for its beauty or perfection
2. a crystalline rock that can be cut and polished for jewelry
3. a person who is as brilliant and precious as a piece of jewelry
4. a sweet quick bread baked in a cup-shaped pan
5. a precious or semiprecious stone incorporated into a piece of jewelry

Other meanings of gem (synonyms, cognates).