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a. The act of kissing.
b. A kiss.
2. Mathematics A contact, as between two curves or surfaces, at three or more common points.

os′cu·la·to′ry (ŏs′kyə-lə-tôr′ē) adj.
References in classic literature ?
And then there was that other--" but Turan, seeing a thousand or more years of osculatory memoirs portending, interrupted.
He made conciliatory noises--a species of clucking sound with his broad, flat lips--that were, too, not greatly dissimilar to that which might be produced in an osculatory solo.
The osculatory packing of a three dimensional sphere.