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Noun: tierce  teers
  1. The third canonical hour; about 9 a.m.
    - terce
  2. The cardinal number that is the sum of one and one and one
    - three, 3, III, trio, threesome, leash, troika, triad, trine, trinity, ternary, ternion, triplet, tercet, terzetto, trey, deuce-ace
  3. One of three equal parts of a divisible whole
    - one-third, third

Derived forms: tierces

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

Encyclopedia: Tierce