A small, pointed piece of wood, used in fastening boards together, in attaching the soles of boots or shoes, etc.; as, a shoe peg.
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.
One of the pins of a musical instrument, on which the strings are strained.