Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
tĭtĭo, ōnis, m., a burning brand, firebrand (syn.: taeda, fax), Varr. ap. Non. 182, 21; 302, 7; Cels. 2, 17; Hyg. Fab. 171 al.; cf.: titionem vulgus appellat extractum foco torrem semiustum et exstinctum, Lact. 4, 14 med.