n. One who makes a business of trapping wild animals, usually such as yield fur, as the marten or sable, mink, otter, beaver, and muskrat.n. A trap-fisher.n. In mining, a boy or girl in a coal-mine who opens the air-doors of the galleries for the passage of the coal-wagons.n. A horse for use in a trap.n. The housing and defensive armor of a horse, especially of a horse caparisoned for a just or tournament: generally in the plural. Compare bard.