From Longman Dictionary of Contemporary Englishemeraldem‧e‧rald /ˈemərəld/ noun 1 DCJ[countable] a valuable bright green stone that is often used in jewellery2 [uncountable] a bright green colour —emerald adjective
Examples from the Corpus
emerald• There are distinct forms, each with its own beautiful shade of brilliant emerald, sap, and yellowish green.• The swells slid by, deep emerald on one side, chrome on the other.• The sun had found a chink in the clouds, and was gilding emerald meadows and dark woodlands.• Beyond the airport lay emerald hills, backlit by lightning.• Some of these also fetched a large sum, the emerald necklace making £396,000 and the tiara £275,000.• She was naked, except for golden anklets and bracelets set with emeralds.Origin emerald (1200-1300) Old French emeraude, from Latin smaragdus 