0 a bank account that is used by a person or organization to manage money for another person or group of people:
1 an account that is used to keep money for a particular purpose:
A trust account has been established by the solicitors for donations to the charity.
2 an account set up by two people or organizations in which money or property is kept by a third person or organization until a particular condition is satisfied:
All pre-payments by travellers are placed in a trust account and not released until completion of the tour.