coupling

noun cou·pling \ ˈkə-pliŋ (usual for sense 2) , -pə-liŋ \
Updated on: 27 Nov 2017

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

Examples of coupling in a Sentence

  1. the couplings between railroad cars

  2. a coupling of literature and science

Recent Examples of coupling from the Web

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.

First Known Use of coupling

14th century


COUPLING Defined for English Language Learners

coupling

noun

Definition of coupling for English Language Learners

  • : a device that connects two parts or things

  • : the act of having sex

  • : the act of combining two things


COUPLING Defined for Kids

coupling

noun cou·pling \ ˈkə-pling \

Definition of coupling for Students

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

Medical Dictionary

coupling

noun 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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