sarmentīcĭus — Lewis & Short
sarmentīcĭus or -tĭus, a, um, adj.sarmentum,
I of or belonging to twigs, cuttings, or brushwood:
cinis,Col. 6, 26, 3.— In plur. subst.: sarmentīcĭi, ōrum, m., the Christians, who were burned with fagots, Tert. Apol. 50.