osculate, osculating, osculated 1. To touch with the lips or to press the lips (against someone's mouth or other body part) as an expression of love, greeting, etc. 2. To touch with the lips or to press the lips (against someone's mouth or other body part) as an expression of love, greeting, etc.: 'The newly married couple kissed', 'Her grandfathe... Found on http://www.wordinfo.info/words/index/info/view_unit/1524/