n.
Pronunciation: ' em-r ə ld, ' e-m ə -
Function: noun
Etymology: Middle English emerallde, from Anglo-French esmeralde, from Vulgar Latin *smaralda, from Latin smaragdus, from Greek smaragdos
Date: 14th century
1 : a rich green variety of beryl prized as a gemstone
2 : any of various green gemstones (as synthetic corundum or demantoid)