tierce

名词 tierce:

1. the third canonical hour; about 9 a.m.
   同义词：terce
2. the cardinal number that is the sum of one and one and one
   同义词：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
   同义词：one-third, third