Definition of billy bread in English:

billy bread

noun

mass nounNZ, Australian
  • A type of bread, originally cooked in a billy over an open fire.

    ‘buttered billy bread’
    • ‘He gave Craig and me a good recipe for 'billy bread' as he called it, basically an unleavened bread to go along with meals by the campfire.’
    • ‘Freshly baked billy bread ... how do you eat yours?’