trust fund

American  

noun

1. money, securities, property, etc., held in trust.

2. a government fund administered separately from other funds and used for a specified purpose.

   a highway trust fund.

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trust fund British  

noun

1. money, securities, etc, held in trust

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Etymology

Origin of trust fund

First recorded in 1860–65

Example Sentences

“That’s not what the trust fund was set up for,” Blumenfield said.

From Los Angeles Times • May 1, 2026

“And it’s not what people who donate to the trust fund think that they are paying for.”

From Los Angeles Times • May 1, 2026

The surpluses during the early years before the baby boomers retired would cover the later deficits, but eventually the trust fund would be exhausted, and further changes would be needed to cover the annual shortfalls.

From MarketWatch • Apr. 21, 2026

Social Security’s trust fund supporting seniors is expected to run short of money in a few short years, resulting in benefit cuts of 22.5% in 2033, according to the Trustees report released in June.

From MarketWatch • Mar. 17, 2026

First, Nick turned twenty-one years old, and the frindle trust fund set up by his father became legally Nick’s.

From "Frindle" by Andrew Clements