trigonal Synonyms

rhombohedral cuneate triangular trichotomous triclinic trifurcate trigonous trihedral trilateral trinal trinitarian tripartite triple triquetrous deltoidal trichotomic treble three-sided cuneiform deltoid hastate lateen monoclinic multilateral orthorhombic pyramidal pyriform rhombohedric ternary ternate third three-cornered tricorne