Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
cantŭrĭo, īre, v. desid. n. and a. [cano], to chirp (post-class. and rare): canturire melicam, belle diverbia dicere (vulg.: canturire belle diverbia, adicere melicam), Petr. 64, 2 N. cr.; Paul. ex Fest. s. v. dagnades, p. 68.