Entry 4 senses · 3 variants Webster, 1913 Trine /trīn/ · IPA /tɹaɪn/ a. n. v. t. 01 a. Threefold; triple; as, trine dimensions, or length, breadth, and thickness. 1. Threefold; triple; as, trine dimensions, or length, breadth, and thickness. 02 n. The aspect of planets distant from each other 120 degrees, or one third of the zodiac; trigon. 1. The aspect of planets distant from each other 120 degrees, or one third of the zodiac; trigon.(Astrol.) “In sextile, square, and trine.” — Milton. 2. A triad; trinity.[R.] “A single trine of brazen tortoises.” — Mrs. Browning. “Eternal One, Almighty Trine!” — Keble. 03 v. t. To put in the aspect of a trine. 1. To put in the aspect of a trine.[R.] “By fortune he [Saturn] was now to Venus trined.” — Dryden.