Common meanings of Emerald include:
A mineral, green in color, that is a member of the beryl family. Found throughout the world -- in the Middle East, Africa, even the United States -- some of the most valuable emeralds come from Colombia. Emeralds are the traditional birthstone for the month of May.
USS Emerald was a navy patrol ship used in WWI. Originally built in 1916, she served in the Delaware Bay in the capacity of harbor entrance patrol.
A video game in the Pokemon line. Made for use with the Game Boy Advance video game system.
Several species of hummingbirds including the endangered Honduran Emerald and the Cuban Emerald.
First movement in George Balanchine’s ballet "Jewels." Balanchine refers to Emeralds as “an evocation of France.” The ballet movement is set to music by Gabriel Urbain Fouré.
Related Emerald resources
About.com Jewelry/Accessories: Emeralds, May Birthstone [1] About.com Jewelry Birthstone [2] Department of the Navy, Navy Historical Center: USS Emerald [3] About.com Video Game Cheats: Pokemon Emerald Cheats Codes [4] Pokémon Official Site: Pokémon Emerald [5] Hummingbird Society: The Honduran Emerald [6] The George Balanchine Trust: "Jewels" Ballet [7]