1. (n.) The union of three persons (the Father, the Son, and the Holy Ghost) in one Godhead, so that all the three are one God as to substance, but three persons as to individuality.

2. (n.) Any union of three in one; three units treated as one; a triad, as the Hindu trinity, or Trimurti.

3. (n.) Any symbol of the Trinity employed in Christian art, especially the triangle.

clover deuce-ace leash set of three shamrock tercet ternary ternion terzetto three threeness threesome tierce trefoil trey triad triality trialogue triangle tricorn trident triennium trihedron trilogy trimester trine trinomial trio triphthong triple triple crown triple threat tripleness triplet triplicity triplopy tripod triptych trireme triseme triskelion trisul triumvirate triune triunity trivet troika