sprocket holes
Definitions
Computing
- plural noun a series of small holes on each edge of continuous stationery, which allow the sheet to be pulled through the printer
- plural noun a series of holes at the edge of paper which control its feed through a printer
- plural noun the holes that run down the side of a piece of film, allowing it to be held steady and wound on by the mechanism of a camera
http://www.dictionarycentral.com/definition/sprocket-holes.html