short for triplici-, combining form of L. triplex TRIPLE, occurring in a few rare adjs. (chiefly Bot.), as triplicostate = tricostate (TRI- 1 a); tripliform = TRIFORM 1; triplinerved = TRINERVATE.
1866. Treas. Bot., 1173. Triple-nerved, Triplinerved, Triplinervis, the same as Triple-ribbed.
1869. T. Inman, Symbolism, Introd. p. xii. One symbol was tripliform, the other single.
1879. Webster, Suppl., Triplicostate.