n A cask whose content is one third of a pipe; that is, forty-two wine gallons; also, a liquid measure of forty-two wine, or thirty-five imperial, gallons.
n A cask larger than a barrel, and smaller than a hogshead or a puncheon, in which salt provisions, rice, etc., are packed for shipment.
n (music) The third tone of the scale. See mediant.
n (card games) A sequence of three playing cards of the same suit. Tierce of ace, king and queen is called tierce-major.
n (fencing) The third defensive position, with the sword hand held at waist height, and the tip of the sword at head height.