1. (

• gem ,
• treasure

) art highly prized for its beauty or perfection ;

2. (

• gem ,
• gemstone ,
• stone ,

) a crystalline rock that can be cut and polished for jewelry; "he had the gem set in a ring for his wife"; "she had jewels made of all the rarest stones" ;

3. (

• jewel ,
• gem

) a person who is as brilliant and precious as a piece of jewelry ;

4. (

• muffin ,
• gem

) a sweet quick bread baked in a cup-shaped pan ;

5. (

• jewel ,
• gem ,
• precious_stone

) a precious or semiprecious stone incorporated into a piece of jewelry ;