Synonyms: kiss, buss, osculation
Definition: the act of caressing with the lips (or an instance thereof)
Similar words: touch, touching
Definition: the act of putting two things together with no space between them
Usage: at his touch the room filled with lights
Synonyms: osculation
Definition: (mathematics) a contact of two curves (or two surfaces) at which they have a common tangent
Similar words: contact
Definition: the state or condition of touching or of being in immediate proximity
Usage: litmus paper turns red on contact with an acid