Synonyms and related words :
deltoid, three-cornered, three-dimensional, three-footed, three-pronged, three-sided, triangular, triangulate, triarch, trichotomous, tricorn, tricornered, tricuspid, trident, tridental, trifid, triflorate, triflorous, trifurcate, trigonal, trigonoid, trigrammatic, trihedral, trilateral, trimerous, triparted, tripodic, triquetral, triquetrous, trisected