osculatory

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os·cu·la·tion

O0135700 (ŏs′kyə-lā′shən)n.1. 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.