The hole in a lock where the key is inserted and turns.
A mortise for a key or cotter.
A gravitational keyhole.
Any small opening resembling the hole for a key in shape or function.
A hole or excavation in beams intended to be joined together, to receive the key that fastens them.
A transient column of vapor or plasma formed when using high energy beams, such as lasers, for welding or cutting.
The free-throw lane together with the circle surrounding the free-throw line; key.
A circle cut out of a garment as a decorative effect, typically at the front or back neckline of a dress.
A welding method in which a hole forms in the surface immediately ahead of the puddle in the direction of welding. The hole is filled as the weld progresses.
To strike a target after wobbling in flight so that the long axis of the bullet does not follow the line of flight, typically due to insufficient spin resulting from the rifling in the barrel.
The shutter, casement, sash with its fittings, or other framework, which closes a window opening.
Something that allows one to see through or into something
A rectangular area on a computer terminal or screen containing some kind of user interface, displaying the output of and allowing input for one of a number of simultaneously running computer processes.
A function multiplied with a signal to reduce spectral leakage when performing a Fourier transform.
An opening, usually covered by glass, in a shop which allows people to view the shop and its products from outside; a shop window.
A figure formed of lines crossing each other.
The time between first infection and detectability.
A restricted range.
An opening, usually covered by one or more panes of clear glass, to allow light and air from outside to enter a building or vehicle.
A period of time when something is available or possible; a limited opportunity.
Synonym of chaff (“strips of material intended to confuse radar”)
To furnish with windows.
To place at or in a window.
To apply a window function to (a signal).