punch hole

plural punch holes · alternative punch-hole

1. broadcastingA 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.

   Synonyms: cigarette burn

2. footwearA small, round hole created in the shoe, typically on the vamp or quarter, used for decorative purposes or to enhance ventilation.
3. businessA small, round section placed near the top of the screen of some smartphones, housing the front-facing camera while maximizing screen space.