emeralds

Noun

emerald (countable and uncountable, plural emeralds)

1. Any of various green gemstones, especially a green transparent form of beryl, highly valued as a precious stone.
   • Although there are dozens of different types of gems, among the best known and most important are diamond, ruby and sapphire, emerald and other gem forms of the mineral beryl, chrysoberyl, tanzanite, tsavorite, topaz and jade.2012 March, Lee A. Groat, “Gemstones”, in American Scientist, volume 100, number 2, archived from the original on 14 Jun 2012, page 128

   Synonyms:

   smaragd

2. Emerald green, a colour.
3. Vert, when blazoning by precious stones.
   • 16. As the first. Crest, on a Mount Emerald, a Falcon rising Topaz.1726, John Guillim, The Banner Display'd, page 504
4. Any hummingbird in the genera Chlorostilbon and Elvira; and some in the genus Amazilia
5. Any of various species of dragonfly of the family Corduliidae.
6. (UK, dated) A size of type between nonpareil and minion, standardized as 6½-point.

   Synonyms:

   minionette

See all 12 meanings of emerald