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Related to gemmed: jammed
1. A piece of a valuable mineral or minerallike substance that has been cut, polished, or otherwise prepared for use as an ornament.
a. Something that is valued for its beauty or perfection: a little gem of a book.
b. A beloved or highly prized person.
3. A muffin, especially a very small one.
tr.v. gemmed, gem·ming, gems
To adorn with gems.