RhymeZone: gem definitions

Definitions of gem:

noun: art highly prized for its beauty or perfection
noun: a crystalline rock that can be cut and polished for jewelry
Example: "He had the gem set in a ring for his wife"
noun: a precious or semiprecious stone incorporated into a piece of jewelry
noun: a sweet quick bread baked in a cup-shaped pan
noun: a person who is a brilliant and precious as a piece of jewelry