Noun osculation has 2 senses
  1. 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
  2. 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 kiss
    Derived form: verb osculate3
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