Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
pontĭcŭlus, i, m. dim. [1. pons], a little bridge, Cic. Tusc. 5, 20, 59; Cat. 17, 3; Col. 2, 2, 11; Suet. Caes. 31; Inscr. Murat. 598.