From The Collaborative International Dictionary of English v.0.48:
Bender \Bend"er\, n. 1. One who, or that which, bends. [1913 Webster]
2. An instrument used for bending. [1913 Webster]
3. A drunken spree. [Low, U. S.] --Bartlett. [1913 Webster]
4. A sixpence. [Slang, Eng.] [1913 Webster]