Gemmary definitions Webster's 1828 Dictionary GEM'MARY, a. [from gem.] Pertaining to gems or jewels. Webster's 1913 Dictionary Gemmary Gem"ma*ry, a. [L. gemmarius. See Gem.] Of or pertaining to gems. Webster's 1913 Dictionary Gemmary Gem"ma*ry, n. A receptacle for jewels or gems ...