Definition of "osculation" [os•cu•la•tion]

• The act of kissing. (noun)
• A kiss. (noun)
• Mathematics A contact, as between two curves or surfaces, at three or more common points. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Tish says our vulgar lip-osculation is unknown in the Orient and that they rub noses by way of greeting."
• "I've half a mind to ride back and have him out for that rascal "osculation" and the lady unwilling!"
• "Probably explaining inosculation in a letter to a gentleman in County Armagh is as close as I’ll ever get to any kind of osculation any more."