[ os-kyuh-ley-shuh n ]
/ ˌɒs kyəˈleɪ ʃən /


the act of kissing.
a kiss.
close contact.
Geometry. the contact between two osculating curves or the like.

Origin of osculation

1650–60; < Latin ōsculātiōn- (stem of ōsculātiō) a kissing, equivalent to ōsculāt(us) (see osculate) + -iōn- -ion
Can be confusedauscultation osculation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for osculation

British Dictionary definitions for osculation


/ (ˌɒskjʊˈleɪʃən) /


Also called: tacnode maths a point at which two branches of a curve have a common tangent, each branch extending in both directions of the tangent
rare the act or an instance of kissing
Derived Formsosculatory (ˈɒskjʊlətərɪ, -trɪ), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for osculation



"kissing; a kiss," 1650s, from Latin osculationem (nominative osculatio), noun of action from past participle stem of osculari (see osculate).

Online Etymology Dictionary, © 2010 Douglas Harper