at·tor·ney (ə-tûr'nē) n.
pl.at·tor·neys Abbr. Att. or Atty. A person legally appointed by another to act as his or her agent in the transaction of business, specifically one qualified and licensed to act for plaintiffs and defendants in legal proceedings.
[Middle English attourney, from Old French atorne, from past participle of atorner, to appoint; see attorn.] at·tor'ney·ship' n.