Emerald is a green gemstone. Because of its color, the word emerald is often used to describe a shade of green. Emerald may also refer to: Arts, literature, and entertainment Music The Detroit Emeralds, an American R&B vocal group most active in the 1970s Emerald (Alan Stivell album), 2009 Emerald (Dar Williams album), 2015 Emerald (ballet), the first movement of George Balanchine's Jewels, often performed by itself Emeralds (band), an ambient music trio from Cleveland, Ohio "Emerald" (Thin Lizzy song) Video games Pokémon Emerald, one of the Pokémon video games Emerald (Pokémon), a main character in Pokémon Adventures Chaos Emeralds, a set of gems with mythical powers in Sonic the Hedgehog video games Literature The Emerald City of Oz, a 1910 book by L. Frank Baum Biology Several species of hummingbird called emeralds in the genera Chlorostilbon Cynanthus Elvira Amazilia Emerald damselflies, members of the family Lestidae Emerald dragonflies, members of the family Corduliidae Large emerald, a moth of the family Geometridae Emerald dove, a pigeon Emerald toucanet, Aulacorhynchus prasinus, a near-passerine bird Business Emerald Group Publishing, a UK publisher of management and business journals Emerald Music, a record label Emerald Records (1966), a record label Emerald Records (2000s), a record label Emerald snack nuts, a product line manufactured by Diamond Foods Computers and software Emerald (window decorator), a theme manager for Compiz Emerald (programming language), a distributed Object-Oriented programming language Fictional characters and places Emerald City, a fictional city in the Land of Oz in the book Emerald Empress, a DC Comics supervillain Emerald, the name given to Green Esmeraude in the English-language version of the anime Sailor Moon Emerald Zirconia Goldenbraid, a main character in Mysticons in which she is the legendary Mysticon Knight Emerald, a character from the series Steven Universe Emerald Sustrai, a character from the series RWBY People Caro Emerald (born 1981), Dutch jazz singer Emerald Fennell (born 1985), English actress, author, screenwriter, producer, and director. Emerald Zellers, beauty queen from Scottsdale, Arizona Emerald Ignacio (born 1980), aka "DriftGirl", is an actor and model Marti Emerald, elected member of the San Diego City Council Places Australia Emerald, Queensland, a town in the Central Highlands Region Emerald, Victoria, a suburb of Melbourne Emerald, New South Wales, a small township north of Coffs Harbour Canada Emerald, Prince Edward Island Emerald, Ontario Rural Municipality of Emerald No. 277, Saskatchewan Emerald Park, Saskatchewan United States Emerald Lake Hills, California