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
the couplings between railroad cars
a coupling of literature and science
Recent Examples on the Web
But with new Islanders comes re-couplings, and for some, that means packing their bags and leaving the villa.
—
Jordana Comiter, PEOPLE, 8 June 2026
So who paired together during the initial coupling ceremony?
—Taylor Ardrey, USA Today, 3 June 2026
Our first couples The first coupling up is based around an elaborate compatibility test-slash–kissing booth that is entirely too complicated, but chaos and saliva are the fuel that keep the Love Island machine running.
—Kathleen Walsh, Vulture, 3 June 2026
The underlying semiconductor was also reformulated to include some tin, which improved the spin-orbit coupling between its electrons and those in the lead.
—ArsTechnica, 3 June 2026
See All Example Sentences for coupling
Examples are automatically compiled from online sources to
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Jordana Comiter, PEOPLE, 8 June 2026
So who paired together during the initial coupling ceremony?
—Taylor Ardrey, USA Today, 3 June 2026
Our first couples The first coupling up is based around an elaborate compatibility test-slash–kissing booth that is entirely too complicated, but chaos and saliva are the fuel that keep the Love Island machine running.
—Kathleen Walsh, Vulture, 3 June 2026
The underlying semiconductor was also reformulated to include some tin, which improved the spin-orbit coupling between its electrons and those in the lead.
—ArsTechnica, 3 June 2026
See All Example Sentences for coupling
Cite this Entry
“Coupling.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coupling. Accessed 15 Jun. 2026.
Copy CitationKids Definition
coupling
noun
cou·pling
ˈkəp-liŋ ( 
usual for sense 2 ),
-ə-liŋ
1
: the act of bringing or coming together
2
: something that connects two parts or things
Medical Definition
coupling
noun
cou·pling
ˈkəp-liŋ, -ə-liŋ
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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