1. A short, weighted club or stick used as a weapon or tool, especially by police or security personnel.
Usage: Also called a billy club or baton.; Common in law enforcement contexts.
2. A metal container or pot used for boiling water or cooking, especially in camping or outdoor settings.
Usage: Chiefly Australian and British English.; Often used in bushcraft or outdoor survival contexts.

Examples

• The security guard carried a billie at his side.
• Police officers were trained in the proper use of a billie.
• He filled the billie with water from the stream to make tea.
• The campers heated their billie over the fire.
• In the outback, a billie is an essential piece of camping equipment.