Amazon

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

• noun A member of a legendary nation of women warriors reputed to have lived in ancient Scythia.
• noun A tall, aggressive, strong-willed woman.
• noun Any of various predominantly green parrots of the genus Amazona, native to Central and South America and sometimes kept as pets.

from The Century Dictionary.

• noun In Gr. Legend, one of a race of women who dwelt on the coast of the Black Sea and in the Caucasus mountains.
• noun A warlike or masculine woman; hence, a quarrelsome woman; a virago.
• noun A general book-name of any South American parrot, of the genus Chrysotis, of which there are numerous species.
• noun A name of sundry humming-birds: as, the royal amazon, Bellatrix regina.

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

• noun One of a fabulous race of female warriors in Scythia; hence, a female warrior.
• noun A tall, strong, masculine woman; a virago.
• noun (Zoöl.) A name numerous species of South American parrots of the genus Chrysotis.
• noun (Zoöl.) a species of ant (Polyergus rufescens), of Europe and America. They seize by conquest the larvæ and nymphs of other species and make slaves of them in their own nests.

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

• noun Greek mythology A member of a mythical race of female warriors inhabiting the Black Sea area.
• noun A female warrior.
• noun A tall, strong, or athletic woman.
• proper noun A river of South America that flows through Brazil for about 4000 miles to the South Atlantic.
• proper noun A region including much of this river; specifically, the region of the Amazon Rainforest, or of the Amazon River Basin.
• proper noun Used attributively in compounds.
• noun Any of the large parrots from the genus Amazona.

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

• noun a major South American river; arises in the Andes and flows eastward into the South Atlantic; the world's 2nd longest river (4000 miles)
• noun a large strong and aggressive woman
• noun (Greek mythology) one of a nation of women warriors of Scythia (who burned off the right breast in order to use a bow and arrow more effectively)
• noun mainly green tropical American parrots