three, triad, triplet, trey, trio, ternion†, leash; shamrock,
tierce†, spike-team [U.S.], trefoil; triangle, trident, triennium†,
trigon†, trinomial, trionym†, triplopia†, tripod, trireme, triseme†,
triskele†, triskelion, trisula†.
third power, cube; cube root.
Adj. three; triform†, trinal†, trinomial; tertiary; ternary; triune;
triarch, triadie†; triple &c 93.
tri- [Pref.], tris- [Pref.].
Phr. tria juncta in uno [Lat.].