| osculate | (verb) touch with the lips or press the lips (against someone's mouth or other body part) as an expression of love, greeting, etc. | Synonyms: buss, kiss, snog |
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| (verb) have at least three points in common with | - |
| (verb) be intermediate between two taxonomic groups | - |
| osculation | (noun) the act of caressing with the lips (or an instance thereof) | Synonyms: buss, kiss |
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| (noun) (mathematics) a contact of two curves (or two surfaces) at which they have a common tangent | - |
| osculator | (noun) someone who kisses | Synonyms: kisser |
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