Gem \Gem\ v. t. [imp. & p. p. {Gemmed}; p. pr. & vb. n. {Gemming}] 1. To put forth in the form of buds. "Gemmed their blossoms." [R.] --Milton. [1913 Webster] 2. To adorn with gems or precious stones. [1913 Webster] 3. To embellish or adorn, as with gems; as, a foliage gemmed with dewdrops. [1913 Webster] England is . . . gemmed with castles and palaces. --W. Irving. [1913 Webster]