- osculation - (mathematics) a contact of two curves (or two surfaces) at which they have a common tangent
--1 is a kind of contact
Derived form: verb osculate2 - kiss, buss, osculation - the act of caressing with the lips (or an instance thereof)
--2 is a kind of touch, touching
--2 has particulars: smack, smooch; soul kiss, deep kiss, French kissDerived form: verb osculate3