one who, or that which, searhes or examines; a seeker; an inquirer; an examiner; a trier.-formerly, an officer in london appointed to examine the bodies of the dead, and report the cause of death.-an officer of the customs whose business it is to search ships, merchandise, luggage, etc.-an inspector of leather.-an instrument for examining the bore of a cannon, to detect cavities.-an implement for sampling butter; a butter trier.-an instrument for feeling after calculi in the bladder, etc.