a. rare. [f. L. trifāri-us (compared by some with Gr. τριφάσιος in same sense) + -OUS.]
1. Of three sorts; facing three ways.
1656. Blount, Glossogr., Trifareous (trifarius), of three manner of wayes.
c. 1800. Bp. Milner, in Husenbeth, Life (1862), 39. No longer prate on huge Briareus, On monstrous triple bodied Geryon; For I have seen a real trifarious ProtestingCatholicPresbyterian!
2. Bot. Arranged in three rows.
1846. Worcester, Trifarious, in three rows.
1857. Berkeley, Cryptog. Bot., § 565. Leaves trifarious, the third row smaller than the others.