Trigonal

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Trigonid \Tri"go*nid\
     [Webster 1913 Suppl.] Trigonal \Trig"o*nal\, a.
     Having three angles, or corners; triangular; as, a trigonal
     stem, one having tree prominent longitudinal angles.
     [1913 Webster]
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  trigonal
       adj : having three-fold symmetry [syn: {rhombohedral}]