Obs. [ad. L. triens, trient-em third part.] a. The ancient Roman copper coin called triens: see prec. b. An angle of 120°, comprising one-third of the circumference of a circle; in Astrol. = TRINE B. 2 (also adj. = TRINE A. 2).
1563. Hyll, Art Garden. (1593), 24. When they are asunder 120 degrees, which is called a triangle, Trygon, or Trient aspect.
1601. [see TRIENS].
1657. Tomlinson, Renou’s Disp., 160*. Three ounces … or at most a trient, that is four ounces.
1657. Physical Dict., Trient, a third part.
1673. Wallis, in Rigaud, Corr. Sci. Men (1841), II. 570. If the angle be more than a trient, and less than two trients, whose subtendant … I suppose to be the chord of a trient increased by one of the arches.
