Fund (noun)

1. A reserve of money or resources that can be used to finance a specific activity or purpose.
2. A reserve of money or resources that is set aside or saved for a specific purpose.
3. A sum of money or resources that is available for a specific purpose or activity.
4. A financial resource or reserve, such as a savings account or investment.
5. A collection of assets, such as stocks, bonds, or real estate, that is managed as a single entity and used to invest in order to generate income or capital gains.

Origin:

The word fund comes from the latin word "fundus" which means bottom or foundation. this word was used to refer to a reserve of money or resources.

Examples:

1. He established a fund for charity.
2. She contributed to the fund.
3. They used the fund for the project.
4. The fund has grown over the years.
5. The company's pension fund.