Definition from Wiktionary, the free dictionary
- (transitive) To kiss someone or something.
- (mathematics) To touch so as to have a common tangent at the point of contact.
- (intransitive) To make contact.
- (Vedic arithmetic) To perform osculation.
Derived terms 
- second-person plural present indicative of osculare
- second-person plural imperative of osculare
- feminine plural of osculato
- vocative masculine singular of ōsculatus