What is the meaning of peg?

noun

• A wooden pin pushed or driven into a surface.
  • synonyms: nog
• Small markers inserted into a surface to mark scores or define locations etc..
  • synonyms: pin
• Informal terms for the leg.
  • usage: "fever left him weak on his sticks"
  • synonyms: pin, stick
• A prosthesis that replaces a missing leg.
  • synonyms: wooden leg, leg, pegleg
• Regulator that can be turned to regulate the pitch of the strings of a stringed instrument.
• A holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing.
  • synonyms: pin, thole, tholepin, rowlock, oarlock

verb

• Succeed in obtaining a position.
  • usage: "He nailed down a spot at Harvard"
  • synonyms: nail down, nail
• Pierce with a wooden pin or knock or thrust a wooden pin into.
• Fasten or secure with a wooden pin.
  • usage: "peg a tent"
  • synonyms: peg down
• Stabilize (the price of a commodity or an exchange rate) by legislation or market operations.
  • usage: "The weak currency was pegged to the US Dollar"