Source : Webster's Revised Unabridged Dictionary (1913)

Buy \Buy\, v. t. [imp. & p. p. {Bought}; p. pr. & vb. n.
   {Buying}.] [OE. buggen, buggen, bien, AS. bycgan, akin to OS.
   buggean, Goth. bugjan.]
   1. To acquire the ownership of (property) by giving an
      accepted price or consideration therefor, or by agreeing
      to do so; to acquire by the payment of a price or value;
      to purchase; -- opposed to sell.

            Buy what thou hast no need of, and ere long thou
            wilt sell thy necessaries.            --B. Franklin.

   2. To acquire or procure by something given or done in
      exchange, literally or figuratively; to get, at a cost or
      sacrifice; to buy pleasure with pain.

            Buy the truth and sell it not; also wisdom, and
            instruction, and understanding.       --Prov. xxiii.
                                                  23.

   {To buy again}. See {Againbuy}. [Obs.] --Chaucer.

   {To buy off}.
      (a) To influence to compliance; to cause to bend or yield
          by some consideration; as, to buy off conscience.
      (b) To detach by a consideration given; as, to buy off one
          from a party.

   {To buy out}
      (a) To buy off, or detach from. --Shak.
      (b) To purchase the share or shares of in a stock, fund,
          or partnership, by which the seller is separated from
          the company, and the purchaser takes his place; as, A
          buys out B.
      (c) To purchase the entire stock in trade and the good
          will of a business.

   {To buy in}, to purchase stock in any fund or partnership.

   {To buy on credit}, to purchase, on a promise, in fact or in
      law, to make payment at a future day.

   {To buy the refusal} (of anything), to give a consideration
      for the right of purchasing, at a fixed price, at a future
      time.