Definitions
1.nounA precious stone, usually of substantial monetary value or prized for its beauty or shine.
2.nounAny precious or highly valued thing or person."She's an absolute gem."
3.nounAnything of small size, or expressed within brief limits, which is regarded as a gem on account of its beauty or value, such as a small picture, a verse of poetry, or an epigram."a gem of wit"
4.nounA gemma or leaf-bud.
5.nounA type of geometrid moth, Orthonama obstipata.
6.nounA package containing programs or libraries for the Ruby programming language.
7.nounA size of type between brilliant (4-point) and diamond (4½-point), running 222 lines to the foot.
8.verbTo adorn with, or as if with, gems.