hail cannon n.— «He also has what’s called a hail cannon, which uses a sonic boom to bombard hailstones so they break up and are less damaging to fruit.» —“Drought creates thirst for hi-tech farming” in Sydney...
hail cannon n.— «He also has what’s called a hail cannon, which uses a sonic boom to bombard hailstones so they break up and are less damaging to fruit.» —“Drought creates thirst for hi-tech farming” in Sydney...