A tin with a swing handle used to boil tea over an open fire; a billycan; a billypot.
A good friend.
A billy club.
A billy goat.
A male goat; a ram.
A slubbing or roving machine.
A bong for smoking marijuana.
A condom.
An upright standing or hanging metal bowl used for holding burning coal for a source of light or heat.
A worker in brass.