Definitions of trial:

• noun:   (law) legal proceedings consisting of the judicial examination of issues by a competent tribunal

  Example: "Most of these complaints are settled before they go to trial"

• noun:   (law) the determination of a person's innocence or guilt by due process of law

  Example: "He had a fair trial and the jury found him guilty"

• noun:   trying something to find out about it

  Example: "A sample for ten days free trial"

• noun:   an annoying or frustrating or catastrophic event

  Example: "His mother-in-law's visits were a great trial for him"

• noun:   (sports) a preliminary competition to determine qualifications

  Example: "The trials for the semifinals began yesterday"

• noun:   the act of testing something

  Example: "In the experimental trials the amount of carbon was measured separately"

• noun:   the act of undergoing testing

  Example: "Candidates must compete in a trial of skill"

• name:  A surname (very rare: popularity rank in the U.S.: #25025)