earnest and conscientious activity intended to do or accomplish something; "made an effort to cover all the reading material"; "wished him luck in his endeavor"; "she gave it a good try"
put to the test, as for its quality, or give experimental use to; "This approach has been tried with good results"; "Test this recipe"
put on trial or hear a case and sit as the judge at the trial of; "The football star was tried for the murder of his wife"; "The judge tried both father and son in separate trials"