Definition of roof rat in English:

roof rat

noun

  • another term for black rat
    • ‘But Japanese officials think the surge in rat-sightings in their cities is being fueled by the spread of so-called roof rats - known scientifically as rattus rattus.’
    • ‘It is possible that mummified black rats - also known as roof rats - found in attics were not placed there for protection, but merely died there and became naturally desiccated.’