1. [n]  a wooden pin pushed or driven into a surface
2. [n]  a holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing
3. [n]  regulator that can be turned to regulate the pitch of the strings of a stringed instrument
4. [n]  a prosthesis that replaces a missing leg
5. [n]  informal terms of the leg; "fever left him weak on his sticks"
6. [n]  small markers inserted into a surface to mark scores or define locations etc.
7. [v]  stabilize (the price of a commodity or an exchange rate) by legislation or market operations; "The weak currency was pegged to the US Dollar"
8. [v]  fasten or secure with a peg; "peg a tent"
9. [v]  pierce with a peg; knock or thrust a peg into
10. [v]  succeed in obtaining a position; "He nailed down a spot at Harvard"

Peg
Peg the hen, who has only one leg, becomes an unusual but much loved mother.

more details ...

1. \Peg\, n.
   A drink of spirits, usually whisky or brandy diluted with
   soda water. [India]
         This over, the club will be visted for a ``peg,''
         Anglice drink.                           --Harper's
                                                  Mag.
   

2. \Peg\, n. [OE. pegge; cf. Sw. pigg, Dan. pig a point,
   prickle, and E. peak.]
   1. A small, pointed piece of wood, used in fastening boards
      together, in attaching the soles of boots or shoes, etc.;
      as, a shoe peg.
   2. A wooden pin, or nail, on which to hang things, as coats,
      etc. Hence, colloquially and figuratively: A support; a
      reason; a pretext; as, a peg to hang a claim upon.
   3. One of the pins of a musical instrument, on which the
      strings are strained. --Shak.
   4. One of the pins used for marking points on a cribbage
      board.
   5. A step; a degree; esp. in the slang phrase ``To take one
      down peg.''
            To screw papal authority to the highest peg.
                                                  --Barrow.
            And took your grandess down a peg.    --Hudibras.
   {Peg ladder}, a ladder with but one standard, into which
      cross pieces are inserted.
   {Peg tankard}, an ancient tankard marked with pegs, so as
      divide the liquor into equal portions. ``Drink down to
      your peg.'' --Longfellow.
   {Peg tooth}. See {Fleam tooth} under {Fleam}.
   {Peg top}, a boy's top which is spun by throwing it.
   {Screw peg}, a small screw without a head, for fastening
      soles.
   

3. \Peg\, v. t. [imp. & p. p. {Pegged}; p. pr. & vb. n.
   {Pegging}.]
   1. To put pegs into; to fasten the parts of with pegs; as, to
      peg shoes; to confine with pegs; to restrict or limit
      closely.
            I will rend an oak And peg thee in his knotty
            entrails.                             --Shak.
   2. (Cribbage) To score with a peg, as points in the game; as,
      she pegged twelwe points. [Colloq.]
   

4. \Peg\, v. i.
   To work diligently, as one who pegs shoes; -- usually with
   on, at, or away; as, to peg away at a task.