emerald Meaning, Definition & Usage

  1. noun a green transparent form of beryl; highly valued as a gemstone
  2. noun a transparent piece of emerald that has been cut and polished and is valued as a precious gem
  3. noun the green color of an emerald

WordNet

Em"er*ald noun
Etymology
OE. emeraude, OF. esmeraude, esmeralde, F. émeraude, L. smaragdus, fr. Gr. cf. kr. marakata.
Definitions
  1. (Min.) A precious stone of a rich green color, a variety of beryl. See Beryl.
  2. (Print.) A kind of type, in size between minion and nonparel. It is used by English printers. * This line is printed in the type called emerald.
Em"er*ald adjective
Definitions
  1. Of a rich green color, like that of the emerald. "Emerald meadows." Byron.

Webster 1913