Definitions of peg:

• noun:   a wooden pin pushed or driven into a surface
• noun:   a holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing
• noun:   regulator that can be turned to regulate the pitch of the strings of a stringed instrument
• noun:   a prosthesis that replaces a missing leg
• noun:   small markers inserted into a surface to mark scores or define locations etc.
• noun:   informal terms of the leg
• verb:   stabilize (the price of a commodity or an exchange rate) by legislation or market operations

  Example: "The weak currency was pegged to the US Dollar"

• verb:   fasten or secure with a wooden pin

  Example: "Peg a tent"

• verb:   pierce with a wooden pin or knock or thrust a wooden pin into into
• verb:   succeed in obtaining a position
• name:  A female given name (rare: 1 in 100000 females; popularity rank in the U.S.: #3778)