Noun tierce has 3 senses
- terce, tierce - the third canonical hour; about 9 a.m.
--1 is a kind of canonical hour
- three, 3, III, trio, threesome, tierce, leash, troika, triad, trine, trinity, ternary, ternion, triplet, tercet, terzetto, trey, deuce-ace - the cardinal number that is the sum of one and one and one
--2 is a kind of digit, figure
- one-third, third, tierce - one of three equal parts of a divisible whole; "it contains approximately a third of the minimum daily requirement"
--3 is a kind of common fraction, simple fraction
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