chambering
verb
Definitions
To enclose in a room.
Example: She had chambered herself in her room, and wouldn't come out.
To reside in or occupy a chamber or chambers.
To place in a chamber, as a round of ammunition.
Example: The hunter fired at the geese and missed, then shrugged his shoulders and chambered another cartridge.
To create or modify a gun to be a specific caliber.
Example: The rifle was originally chambered for 9mm, but had since been modified for a larger, wildcat caliber.
noun
Definitions
The chamber of a gun or other firearm.