trisulc
Tri"sulc, n. Etym: [L. trisulcus; tri- (see Tri-) + sulcus a furrow.] Defn: Something having three forks or prongs, as a trident. [Obs.] "Jupiter's trisulc." Sir T. Browne.
Tri"sulc, n. Etym: [L. trisulcus; tri- (see Tri-) + sulcus a furrow.] Defn: Something having three forks or prongs, as a trident. [Obs.] "Jupiter's trisulc." Sir T. Browne.