keyhole

The hole in a lock into which a key fits.

The key.

To strike lengthwise, cutting in the target a hole which resembles a keyhole: said of a bullet in target-shooting.

A hole or aperture in a door or lock for receiving a key.

In carpentry, a hole or excavation passing through beams intended to be joined together, to receive the key which fastens them.—’

A small piece of water connected with a lake or other larger body; a little lake or bay.

A hole or apertupe in a door or lock, for receiving a key.

A hole or excavation in beams intended to be joined together, to receive the key which fastens them.

a mortise for a key or cotter.