cou·pling | \ˈkə-pliŋ(usual for sense 2), -pə-liŋ\

Definition of coupling 

1 : the act of bringing or coming together : pairing specifically : sexual union

2 : a device that serves to connect the ends of adjacent parts or objects

3 : the joining of or the part of the body that joins the hindquarters to the forequarters of a quadruped

4 : a means of electric connection of two electric circuits by having a part common to both

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Examples of coupling in a Sentence

the couplings between railroad cars a coupling of literature and science

Recent Examples on the Web

The coupling was asymmetrical, linking her central-frontal regions with his right hemisphere. Diana Gitig, Ars Technica, "He’s not just saying he feels her pain—he really is," 4 Mar. 2018 The plastic pressure reducer or pressure regulator inside the hose coupling protects the hose from splitting under high water pressure. The Editors Of Organic Life, Good Housekeeping, "How To Use Soaker Hoses To Install A Drip Irrigation System In Your Garden," 7 Mar. 2017 Especially when the scene of the coupling was my expensive, pristine sheets. Elizabeth Kiefer, Glamour, "Is the Future of Period Sex This $400 Blanket?," 21 June 2018 Mearns initiates moments of coupling, and sometimes supports Ramasar’s weight. Sasha Weiss, New York Times, "Justin Peck Is Making Ballet That Speaks to Our Everyday Lives," 10 May 2018 The physical intimacy between Tink and Peter, embodied with some regularity in Mr. Ferver’s choreographed couplings and embraces, comes and goes with little more than passing effect. Robert Greskovic, WSJ, "‘Peter Pan’ Review: A Modern Neverland," 11 July 2018 Meghan attended the event last year, an appearance which, at the time, helped to solidify the seriousness of the coupling (there was a furtive kiss in a parking area afterward!). Josh Duboff, Vanities, "Meghan Markle Aces Her First Polo Weekend as a Duchess," 2 July 2018 The celebrity breakup announcement can be done over Instagram, or even the coupling or uncoupling can be done on Instagram via unfollowing or following, which always gets coverage. Ashley Carman, The Verge, "Changing your Facebook relationship status still means something in 2018," 15 May 2018 Their coupling does make sense in a Christian camp sort of way. Mariah Smith, The Cut, "Like Everything, Justin Bieber and Hailey Baldwin’s Relationship Is Connected to the Kardashians," 11 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'coupling.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of coupling

14th century, in the meaning defined at sense 1

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Statistics for coupling

Last Updated

6 Oct 2018

Look-up Popularity

Time Traveler for coupling

The first known use of coupling was in the 14th century

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More Definitions for coupling



English Language Learners Definition of coupling

: a device that connects two parts or things

: the act of having sex

: the act of combining two things


cou·pling | \ˈkə-pling \

Kids Definition of coupling

1 : the act of bringing or coming together the coupling of the freight cars

2 : something that connects two parts or things a pipe coupling


cou·pling | \ˈkəp-liŋ, -ə-liŋ \

Medical Definition of coupling 

1 : the joint together with its supporting structures between the last lumbar vertebra and the sacrum that joins the hindquarters of a quadruped to the trunk broadly : the part of the body or the conformation and proportionate length of the part of the body that joins the hindquarters to the forequarters

2 : the tendency of linked traits to be inherited together in offspring of a double heterozygote when both dominant genes occur on one chromosome and both recessive genes occur on the homologous chromosome — compare repulsion

3 : bigeminy

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More from Merriam-Webster on coupling

Thesaurus: All synonyms and antonyms for coupling

Spanish Central: Translation of coupling

Nglish: Translation of coupling for Spanish Speakers

Britannica English: Translation of coupling for Arabic Speakers

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