n. A bud; especially, a leaf-bud. See gemma, 1.n. A precious stone of any kind, as the diamond, ruby, topaz, emerald, etc., especially when cut and polished for ornamental purposes; a jewel.n. Something likened to a gem; a beautiful, splendid, or costly object.n. In entomology, the small geometrid moth Camptogramma fluviata: an English collectors' name.To put forth in buds; bud.To adorn with gems, jewels, or precious stones.To bespangle; embellish or adorn as if with gems: as, foliage gemmed with dewdrops.n. The name given by English type-founders to a body of type that is intermediate between brilliant and diamond.n. A cake made with flour or corn meal, sometimes sweetened, and usually baked in a sheet of small, shallow pans.To exploit in searching for gems; search for gems in: as, the right to gem a river or a tract of land.