Luna

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The goddess of the moon.

from The Century Dictionary.

• noun The moon: personified as a Roman goddess, Luna, answering to the Greek goddess Selene.
• noun An occasional form of crescent-headed arrow with the concave side outermost and sharpened.
• noun In alchemy, silver.
• noun The luna-moth.

from the GNU version of the Collaborative International Dictionary of English.

• noun The moon.
• noun (Alchemy) Silver.
• noun (Old Chem.) horn silver, or fused silver chloride, a tough, brown, translucent mass; -- so called from its resemblance to horn.
• noun (Zoöl.) a very large and beautiful American moth (Actias luna). Its wings are delicate light green, with a stripe of purple along the front edge of the anterior wings, the other margins being edged with pale yellow. Each wing has a lunate spot surrounded by rings of light yellow, blue, and black. The caterpillar commonly feeds on the hickory, sassafras, and maple.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• proper noun The name of Earth's moon.
• proper noun Roman mythology goddess of the moon; equivalent of the Greek Selene. Sister of Aurora and Sol.
• proper noun A female given name.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun (Roman mythology) the goddess of the Moon; counterpart of Greek Selene