1. A woman or girl soldier; hence, a large, strong masculine-type of female warrior: "In full uniform, Mable resembles an Amazon because she is masculine, powerful, and seems inclined to battle anyone who gives her any trouble."
2. Etymology: derived from Greek mythology a female warrior "without a breast" because of the story that the Amazon women, warriors of Scythia, Greece, who were said to cut off (or burn off) one breast to make it easier to use a bow when shooting arrows during a battle.

The Greek fable illustrates the word Amazon that comes from a-, "without" and mazos, "breast".