Database (noun)

1. A large collection of data stored in a computer, organized in a way that makes it easy to search and find information.
2. A structured set of data held in a computer, especially one that is accessible in various ways.

Origin:

Early 19th century: from french, from base de données (data base), based on the verb donner "to give".

Examples:

1. A database of customer information.
2. A database management system provides the means to create, store, update and retrieve data in a database.
3. The company uses a database to keep track of its employees.
4. The library has a database of all its books and journals.
5. The website has a database of all the products it sells.