Definition of "windfall" in English

noun

1. Something that has been blown down by the wind.

2. (uncountable) The act of something being blown down by wind.

3. A fruit that has fallen from a tree naturally, as from wind.

   • They couldn't reach the branches, so they ate the windfalls.

4. (figuratively) A sudden large benefit; especially, a sudden or unexpected large amount of money, as from lottery or sweepstakes winnings or an unexpected inheritance or gift.