TIERCE, n. ters. A cask whose content is one third of a pipe, that is, forty gallons; or it may be the measure.

1. In Ireland, a weight by which provisions are sold. The tierce of beef for the navy, is 304 lb. and for India, 336 lb.

2. In music, a third.

3. In gaming, a sequence of three cards of the same color.

4. A thrust in fencing.