Lewis & Short

Fīculnĕus, a, um, adj. [ficula], of the fig-tree: ligna, Varr. R. R. 3, 16, 37: folia, Col. 6, 3, 7.
As subst.: fīculnĕa, ae, f., a fig-tree, Vulg. Osee, 9, 10; id. Luc. 13, 7.
In the form ficulnus, a, um: truncus, Hor. S. 1, 8, 1.