Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
lentĭtĭa, ae (lentĭtĭes, ēi, Auct. Aetn. 540), f. [lentus], pliancy, flexibility, toughness, viscosity, stickiness: virgas sequacis ad vincturas lentitiae, Plin. 16, 37, 68, § 174; 16, 40, 77, § 210: lactucae lentitiam pituitae digerunt, id. 20, 7, 26, § 64; cf. lentor.