Tierce, n.

(tĕrs, or tĕrs) (Synop., § 130), n. [Fr. tierce, a third, from tiers, tierce, third, from Lat. tertius, the third; Pr. tersa, Sp. tercia, It. terza.] 1. 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. 2. A cask for packing salt provisions for shipping, containing 536 pounds. Simmonds. 3. (Mus.) A third. See THIRD. 4. [Also written terce-major.] [Fr. tierce majeure. Cf. TERCE.] (Card-playing.) A sequence of three cards of the same suit. Hoyle. 5. A particular sort of thrust in fencing. 6. (Her.) A field divided into three parts.