Word Study
triquetrous
CIDE DICTIONARY
triquetrous, a. [L. triquetrus.].
Three sided, the sides being plane or concave; having three salient angles or edges; trigonal. [1913 Webster]
ROGET THESAURUS
triquetrous
Trisection
N trisection, tripartition, trichotomy, third, third part, trifid, trisected, tripartite, trichotomous, trisulcate, Triadelphous, triangular, tricuspid, tricapsular, tridental, tridentate, tridentiferous, trifoliate, trifurcate, trigonal, trigrammic, trigrammatic, tripetalous, tripodal, tripodic, triquetral, triquetrous.For further exploring for "triquetrous" in Webster Dictionary Online