1. [n]  prompt payment for goods or services in currency or by check
2. [n]  money in the form of bills or coins
3. [v]  exchange for cash; "I cashed the check as soon as it arrived in the mail"

Cash
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1. \Cash\, n. [F. caisse case, box, cash box, cash. See {Case}
   a box.]
   A place where money is kept, or where it is deposited and
   paid out; a money box. [Obs.]
         This bank is properly a general cash, where every man
         lodges his money.                        --Sir W.
                                                  Temple.
         [pounds]20,000 are known to be in her cash. --Sir R.
                                                  Winwood.
   2. (Com.)
      (a) Ready money; especially, coin or specie; but also
          applied to bank notes, drafts, bonds, or any paper
          easily convertible into money.
      (b) Immediate or prompt payment in current funds; as, to
          sell goods for cash; to make a reduction in price for
          cash.
   {Cash account} (Bookkeeping), an account of money received,
      disbursed, and on hand.
   {Cash boy}, in large retail stores, a messenger who carries
      the money received by the salesman from customers to a
      cashier, and returns the proper change. [Colloq.]
   {Cash credit}, an account with a bank by which a person or
      house, having given security for repayment, draws at
      pleasure upon the bank to the extent of an amount agreed
      upon; -- called also {bank credit} and {cash account}.
   {Cash sales}, sales made for ready, money, in distinction
      from those on which credit is given; stocks sold, to be
      delivered on the day of transaction.
   Syn: Money; coin; specie; currency; capital.
   

2. \Cash\, v. t. [imp. & p. p. {Cashed}; p. pr. & vb. n.
   {Casing}.]
   To pay, or to receive, cash for; to exchange for money; as,
   cash a note or an order.
   

3. \Cash\, v. t. [See {Cashier}.]
   To disband. [Obs.] --Garges.
   

4. \Cash\, n.sing & pl.
   A Chinese coin.
   Note: The cash (Chinese tsien) is the only current coin made
         by the chinese government. It is a thin circular disk
         of a very base alloy of copper, with a square hole in
         the center. 1,000 to 1,400 cash are equivalent to a
         dollar.