Lewis Short
trăgăcanthum | drăgantum, i (noun N.n) : tragacantha
* Gum-tragacanth, Cels. 4, 4, 3; 4, 5, 13; Scrib. Comp. 78; 108.—Called also, in a corrupted form, , , , Veg. Vet. 1, 32; Theod. Prisc. de Diaeta, 9.
Charlton T. Lewis, Charles Short, A Latin Dictionary