slit β to cut apart or open along a line; make a long cut, fissure, or opening in.
slot β a long thin, narrow strip of wood, metal, etc., used as a support for a bed, as one of the horizontal laths of a Venetian blind, etc.
hole β an opening through something; gap; aperture: a hole in the roof; a hole in my sock.
grommet β Machinery. any of various rings or eyelets of metal or the like. an insulated washer of rubber or plastic, inserted in a hole in a metal part to prevent grounding of a wire passing through the hole.
eyehole β A hole to look through, especially in a curtain or mask.
perforation β a hole, or one of a series of holes, bored or punched through something, as those between individual postage stamps of a sheet to facilitate separation.
orifice β an opening or aperture, as of a tube or pipe; a mouthlike opening or hole; mouth; vent.
loophole β a small or narrow opening, as in a wall, for looking through, for admitting light and air, or, particularly in a fortification, for the discharge of missiles against an enemy outside.
break β When an object breaks or when you break it, it suddenly separates into two or more pieces, often because it has been hit or dropped.
crack β If something hard cracks, or if you crack it, it becomes slightly damaged, with lines appearing on its surface.
crater β A crater is a very large hole in the ground, which has been caused by something hitting it or by an explosion.
cut β If you cut something, you use a knife or a similar tool to divide it into pieces, or to mark it or damage it. If you cut a shape or a hole in something, you make the shape or hole by using a knife or similar tool.
dent β If you dent the surface of something, you make a hollow area in it by hitting or pressing it.
gap β a department in SE France. 2179 sq. mi. (5645 sq. km). Capital: Gap.
mouth β Anatomy, Zoology. the opening through which an animal or human takes in food. the cavity containing the structures used in mastication. the structures enclosing or being within this cavity, considered as a whole.
pit β the stone of a fruit, as of a cherry, peach, or plum.
pocket β a shaped piece of fabric attached inside or outside a garment and forming a pouch used especially for carrying small articles.
space β the unlimited or incalculably great three-dimensional realm or expanse in which all material objects are located and all events occur.
void β Law. having no legal force or effect; not legally binding or enforceable.
window β an opening in the wall of a building, the side of a vehicle, etc., for the admission of air or light, or both, commonly fitted with a frame in which are set movable sashes containing panes of glass.