Noun(1) (mathematics, or two surfaces(2) the act of caressing with the lips (or an instance thereof(3) (mathematics) a contact of two curves (or two surfaces) at which they have a common tangent(4) the act of caressing with the lips (or an instance thereof)
Noun(1) (mathematics, or two surfaces(2) the act of caressing with the lips (or an instance thereof(3) (mathematics) a contact of two curves (or two surfaces) at which they have a common tangent(4) the act of caressing with the lips (or an instance thereof)