'Trigonid' definitions:

Definition of 'Trigonid'

From: 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]