• WordNet 3.6
    • n windfall a sudden happening that brings good fortune (as a sudden opportunity to make money) "the demand for testing has created a boom for those unregulated laboratories where boxes of specimen jars are processed like an assembly line"
    • n windfall fruit that has fallen from the tree
    • ***
Webster's Revised Unabridged Dictionary
    • Windfall An unexpected legacy, or other gain. "He had a mighty windfall out of doubt."
    • Windfall Anything blown down or off by the wind, as fruit from a tree, or the tree itself, or a portion of a forest prostrated by a violent wind, etc. "They became a windfall upon the sudden."
    • ***
Century Dictionary and Cyclopedia
    • n windfall Something blown down by the wind, as fruit from a tree, or a number of trees in a forest.
    • n windfall An unexpected piece of good fortune, as an unexpected legacy.
    • n windfall The tract of fallen trees, etc., which shows the path of a tornado.
    • n windfall A violent gust of wind rushing from coast-ranges and mountains to the sea.
    • n windfall The down-rush of air occurring on the leeward side of a hill or mountain at a distance from its base.
    • windfall Windfallen.
    • ***
Chambers's Twentieth Century Dictionary
    • Windfall fruit blown off a tree by the wind: any unexpected money or other advantage
    • ***


Chambers's Twentieth Century Dictionary
A.S. wind; Ice. vindr, Ger. wind, L. ventus, Gr. aētēs, Sans. vāta, wind.


In literature:

He led the way to a point where the scant timber had in times past suffered a windfall.
"The Adventures of Bobby Orde" by Stewart Edward White
At the sound there was a sudden rustling in the bushes behind the windfall.
"The Watchers of the Trails" by Charles G. D. Roberts
Here was another unexpected little windfall for the Exchequer.
"Punch, or the London Charivari, Vol. 147, July 29, 1914" by Various
Then came our windfall.
"The New Education" by Scott Nearing
She's lost or hedged up somewhere among windfalls.
"When Life Was Young" by C. A. Stephens
A splendid windfall, far better than any bundle of asparagus.
"The Glow-Worm and Other Beetles" by Jean Henri Fabre
It looks as if it really belonged there and not like a windfall from some passing whirlwind.
"Shelters, Shacks and Shanties" by D.C. Beard
That's quite a windfall, though nothin' to Miss Peggy, here, or me, for that matter.
"A Man to His Mate" by J. Allan Dunn
It was a windfall well worth their endeavor and they were amply satisfied.
"Rimrock Trail" by J. Allan Dunn
The event was a perfect windfall to the passengers.
"Oswald Bastable and Others" by Edith Nesbit

In poetry:

Lots of folk live up lanes
With fires in a bucket,
Eat windfalls and tinned sardines-
They seem to like it.
"Toads" by Philip Larkin
I didn’t win light in a windfall,
nor by deed of a father’s will.
I hewed my light from granite.
I quarried my heart.
"I Didn’t Win Light In A Windfall" by Hayyim Nahman Bialik

In news:

Over 10 years ago we were told by Republicans that the Bush tax cuts would allows the "job creators" to invest their windfall in productive ventures, leading to a new level of prosperity.
Recipe to Riches winner paid down debt with his windfall.
For Krochet Kids, $500,000 win is a windfall.
A checklist for managing an unexpected windfall of cash.
States Face $3 Billion Estate Tax Windfall If We Fall Off Fiscal Cliff.
And that's meant a windfall for Valley diners.
Heirloom $5 bill may fetch windfall.
Local businesses are hoping for a financial windfall from the games.
All the same, any windfall gains for utilities that hedge are perhaps best viewed as a matter of luck.
Heirloom $5 bill may fetch windfall.
Ukraine 's Carbon Windfall an Issue for Copenhagen.
How to Handle a Windfall.
Red-light camera revenue creates windfall for Northfield.
Republican Sen John McCain criticized Sen Barack Obama's call for a windfall profits tax on the oil industry on Tuesday, despite leaving the door open to the same idea last month.
A Delaware County animal shelter will get an unexpected windfall Thursday courtesy of the state Treasury.