Trīs'yl-lāb'le or Tris'yl-lāb'le-al1, a.
a. [Fr. trissyllabique, trissyllabe, Lat. trisyllabus, Gr. τρισύλλαβος, from τρι, τρίς, three, thrice, and συλλαβή, a syllable.] Of, or pertaining to, a trisyllable; consisting of three syllables; as, a trisyllabic word or root.