osculate

os·cu·late

[os-kyuh-leyt] verb, os·cu·lat·ed, os·cu·lat·ing.
verb (used without object)
1.
to come into close contact or union.
2.
Geometry. (of a curve) to touch another curve or another part of the same curve so as to have the same tangent and curvature at the point of contact.
verb (used with object)
3.
to bring into close contact or union.
4.
Geometry. (of a curve) to touch (another curve or another part of the same curve) in osculation.
5.
to kiss.
00:10
Osculate is one of our favorite verbs.
So is bowdlerise. Does it mean:
to chew (food) slowly and thoroughly.
to expurgate (a written work) by removing or modifying passages considered vulgar or objectionable.

Origin:
1650–60; < Latin ōsculātus (past participle of ōsculārī to kiss), equivalent to ōscul(um) kiss, literally, little mouth (see osculum) + -ātus -ate1

os·cu·la·to·ry [os-kyuh-luh-tawr-ee, -tohr-ee] , adjective
un·os·cu·lat·ed, adjective

oscillate, osculate.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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World English Dictionary
osculate (ˈɒskjʊˌleɪt) [Click for IPA pronunciation guide]
 
vb
1.  jocular usually to kiss
2.  (intr) (of an organism or group of organisms) to be intermediate between two taxonomic groups
3.  geometry to touch in osculation
 
[C17: from Latin ōsculārī to kiss; see osculum]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

osculate
"to kiss," 1656, from L. osculari, from osculum "kiss," lit. "little mouth," dim. of os "mouth" (see oral).
Online Etymology Dictionary, © 2010 Douglas Harper
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