punch

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punch

(pŭnch),
An instrument for making a hole or indentation in some solid material or for driving out a foreign body in such material.
[L. pungo, pp. punctus, to stick, to punch]

punch

An instrument for making a small circular hole in material or tissue, esp. the skin.

punch

a metal, rodlike instrument with one pointed or cavitied end and one propulsion end to be pushed hard with the palm of the hand or driven with a hammer in order to drive a hole or to excise a small round piece of tissue.

punch biopsy
a circular piece of skin excised by a hand driven biopsy punch. See also keyes punch.
dental punch
has a slight cavity at the end so that the tooth to be driven will seat into the end and not slip off.
punch graft
see punch graft.
References in periodicals archive ?
The best concerts and family events are held weekends, when many shift workers punch the clock.
They didn't need to punch the clock beyond 32 minutes last night, but had to overcome a game and all-too-familiar Maynard High team to successfully defend their championship.
Each morning, the workers spill off the buses and past the guards at the front gates of the industrial parks here, rushing to punch the clock before the 7:30 start of their workday.