punch hole

/P AH1 N CH OW0 L/
noun
  1. 1

    (footwear) A small, round hole created in the shoe, typically on the vamp or quarter, used for decorative purposes or to enhance ventilation.

  2. 2

    (film) A marker on a frame of film, originally a hole literally punched through the film, signalling to the projectionist that the reel is due to be changed.