Source : Webster's Revised Unabridged Dictionary (1913)

   {To pay for}.
      (a) To make amends for; to atone for; as, men often pay
          for their mistakes with loss of property or
          reputation, sometimes with life.
      (b) To give an equivalent for; to bear the expense of; to
          be mulcted on account of.

                'T was I paid for your sleeps; I watched your
                wakings.                          --Beau. & Fl.

   {To pay off}. [Etymol. uncertain.] (Naut.) To fall to
      leeward, as the head of a vessel under sail.

   {To pay on}. [Etymol. uncertain.] To beat with vigor; to
      redouble blows. [Colloq.]

   {To pay round} [Etymol. uncertain.] (Naut.) To turn the
      ship's head.