1. witness's testimony: testimony that is given under oath, especially a statement given by a witness that is read out in court in the witness's absence
2. ousting from office: the act of removing somebody from high office or power
3. deposit: something that has been deposited somewhere
4. build-up of deposits: the accumulation of natural materials by a gradual process
[14th century. Via French< Latin deposition-< deponere (see depose)]