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See more synonyms for osculate on Thesaurus.com
verb (used without object), os·cu·lat·ed, os·cu·lat·ing.
  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.
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verb (used with object), os·cu·lat·ed, os·cu·lat·ing.
  1. to bring into close contact or union.
  2. Geometry. (of a curve) to touch (another curve or another part of the same curve) in osculation or close contact.
  3. to kiss.
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Origin of osculate

1650–60; < Latin ōsculātus (past participle of ōsculārī to kiss), equivalent to ōscul(um) kiss, literally, little mouth (see osculum) + -ātus -ate1
Related formsos·cu·la·to·ry [os-kyuh-luh-tawr-ee, -tohr-ee] /ˈɒs kyə ləˌtɔr i, -ˌtoʊr i/, adjectiveun·os·cu·lat·ed, adjective
Can be confusedoscillate osculate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for osculate

touch, buss, peck, contact

Examples from the Web for osculate

Historical Examples of osculate

  • The circle is then said to “osculate” the curve, or to have “contact of the second order” with it at P.

    Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 5


British Dictionary definitions for osculate


  1. usually jocular to kiss
  2. (intr) (of an organism or group of organisms) to be intermediate between two taxonomic groups
  3. geometry to touch in osculation
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Word Origin for osculate

C17: from Latin ōsculārī to kiss; see osculum
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 osculate


"to kiss," 1650s, from Latin osculatus, past participle of osculari "to kiss," from osculum "a kiss; pretty mouth, sweet mouth," literally "little mouth," diminutive of os "mouth" (see oral). Related: Osculated; osculating.

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Online Etymology Dictionary, © 2010 Douglas Harper