Definitions:
a formal examination of evidence by a judge, typically before a jury, in order to decide guilt in a case of criminal or civil proceedings

a test of the performance, qualities, or suitability of someone or something

a person, experience, or situation that tests a person's endurance or forbearance

test (something, especially a new product) to assess its suitability or performance

(of a horse, dog, or other animal) compete in trials