[{"Bold_text": "verb (used without object)", "List Items": ["to come into close contact or union.", "Geometry.(of a curve) to another curve or another part of the same curve so as to have the same tangent and curvature at the point of contact."]}, {"Bold_text": "verb (used with object)", "List Items": ["to bring into close contact or union.", "Geometry.(of a curve) to (another curve or another part of the same curve) in osculation close contact.", "to kiss."]}]