triequal

Equal and three in number.

Adjective

  1. Equal and three in number.
    • Instead of justice, love, and grace, / Injustice, hate, uncharitableness, / Triequal reign round earth, a Trinity of Hell. - 1875, Philip James Bailey, Festus: a Poem, page 60:
  2. Designating three successive tempered fifths that are either equal in magnitude or beat equally quickly.

Origin

tri- + equal