The Collaborative International Dictionary of English v.0.48:

Pawn \Pawn\, n.
   See Pan, the masticatory.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Pawn \Pawn\, n. [OE. paune, poun, OF. peon, poon, F. pion, LL.
   pedo a foot soldier, fr. L. pes, pedis, foot. See Foot, and
   cf. Pioneer, Peon.] (Chess)
   A man or piece of the lowest rank.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Pawn \Pawn\, n. [OF. pan pledge, assurance, skirt, piece, F. pan
   skirt, lappet, piece, from L. pannus. See Pane.]
   1. Anything delivered or deposited as security, as for the
      payment of money borrowed, or of a debt; a pledge. See
      Pledge, n., 1.
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            As for mortgaging or pawning, . . . men will not
            take pawns without use [i. e., interest]. --Bacon.
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   2. State of being pledged; a pledge for the fulfillment of a
      promise. [R.]
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            Redeem from broking pawn the blemish'd crown.
                                                  --Shak.
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            As the morning dew is a pawn of the evening fatness.
                                                  --Donne.
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   3. A stake hazarded in a wager. [Poetic]
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            My life I never held but as a pawn
            To wage against thy enemies.          --Shak.
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   In pawn, At pawn, in the state of being pledged. "Sweet
      wife, my honor is at pawn." --Shak.

   Pawn shop, a shop where a pawnbroker does business.

   Pawn ticket, a receipt given by the pawnbroker for an
      article pledged.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Pawn \Pawn\, v. t. [imp. & p. p. Pawned; p. pr. & vb. n.
   Pawning.]
   1. To give or deposit in pledge, or as security for the
      payment of money borrowed; to put in pawn; to pledge; as,
      to pawn one's watch.

   Syn: hock [colloq].
        [1913 Webster]

              And pawned the last remaining piece of plate.
                                                  --Dryden.
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   2. To pledge for the fulfillment of a promise; to stake; to
      risk; to wager; to hazard.
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            Pawning his honor to obtain his lust. --Shak.
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WordNet (r) 3.0 (2006):

pawn
    n 1: an article deposited as security
    2: a person used by another to gain an end [syn: instrument,
       pawn, cat's-paw]
    3: (chess) the least powerful piece; moves only forward and
       captures only to the side; it can be promoted to a more
       powerful piece if it reaches the 8th rank
    4: borrowing and leaving an article as security for repayment of
       the loan
    v 1: leave as a guarantee in return for money; "pawn your
         grandfather's gold watch" [syn: pawn, soak, hock]