Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
rōrŭlentus, a, um, adj. [ros], full of dew, dewy, bedewed (cf. roscidus): materia, Cato, R. R. 37, 4; Att. ap. Non. 395, 24 (Trag. Rel. p. 170 Rib.); Col. 5, 6, 19; 12, 38, 6; Plin. 12, 17, 37, § 74.