1. One of three equal parts of a divisible whole
   - one-third, third
    
2. The third canonical hour; about 9 a.m.
   "The bell rang for tierce, signaling mid-morning prayer";
   - terce [archaic]
    
3. (fencing) the third of eight standard parrying positions
   "The fencer blocked in tierce"
    
4. A sequence of three cards of the same suit
   "a tierce of hearts"
    
5. [archaic] A cask holding one-third of a pipe (about 42 gallons)
   "They stored the wine in tierces"

Derived forms: tierces

Type of: canonical hour, common fraction, simple fraction, vulgar fraction [Brit]

Encyclopedia: Tierce