slotting

To bar, bolt or lock a door or window.

To shut with violence; to slam.

To put something (such as a coin) into a slot (narrow aperture)

To assign something or someone into a slot (gap in a schedule or sequence)

To put something where it belongs.

(Rhodesia, in the context of the Rhodesian Bush War) To kill.

(Antarctica) To fall, or cause to fall, into a crevasse.

Allocation to a slot