A means of passing through a wall or floor, having a hatch (especially on a ship); a doorway with a hatch rather than a door.
A framed, window-like aperture in the interior wall of a house, usually between a kitchen and dining room, through which items (especially food) can be passed. A serving hatch.
To undergo; to experience.
To infiltrate.
To transit something.
To make something move through something else.