Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
1. oscŭlo, āre, v. a. [1. os, ōris], = ἀναστομόω, to supply with a mouth or outlet, to extend a channel, e. g. the veins, Cael. Aur. Tard. 2, 10, 123.
2. oscŭlo, āre, v. a. (old collat. form of osculor), to kiss: osculavi caput, Titin. ap. Non. 476, 32: osculato tuo capite, App. M. 2, p. 117, 23: genua sibi osculari patiebantur, Capitol. Max. Juv. 2, § 7.