air hole

  • 131port|hole — «PRT HOHL, POHRT », noun. 1. an opening in the side of a ship to let in light and air. 2. an opening in a fort, pillbox, side of a tank, ship, or wall, through which to shoot. 3. a port or opening for passage, as of steam or air …

    Useful english dictionary

  • 132News hole — The news hole is the amount of content a news provider needs to create in every publishing cycle. For example, a news broadcast on radio or TV has a certain amount of air time it needs to fill. Likewise, a newspaper, magazine, newsletter, or… …

    Wikipedia