coupler
noun
cou·pler
ˈkə-p(ə-)lər 
1
: one that couples
2
: a contrivance on a keyboard instrument by which keyboards or keys are connected to play together
Examples of coupler in a Sentence
Recent Examples on the Web
These tests evaluated how the hardware, seals, and fluid flow handle extreme thermal contraction and the intense temperature differences between the freezing propellant and the coupler materials.
—
Mrigakshi Dixit,
Interesting Engineering,
30 June 2026
All Campinawe models are built for off-road use, but the Adventure is of course the most rugged and features a 4,850-lb Cruisemaster independent suspension with 3-in lift, Lock 'n' Roll articulating hitch coupler, 33-in all-terrain tires and wraparound fender steps.
—
C.c. Weiss
may 28,
New Atlas,
28 May 2026
The two trains were moved to a yard for further inspection, where damage was found to the couplers of both trains.
—
Evan Simko-Bednarski,
New York Daily News,
15 Apr. 2026
One resourceful backpacker invented this coupler for refilling miniature toothpaste tubes from full-sized ones.
—
Zoe Gates,
Outside,
28 Oct. 2025
See All Example Sentences for coupler
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Mrigakshi Dixit,
Interesting Engineering,
30 June 2026
All Campinawe models are built for off-road use, but the Adventure is of course the most rugged and features a 4,850-lb Cruisemaster independent suspension with 3-in lift, Lock 'n' Roll articulating hitch coupler, 33-in all-terrain tires and wraparound fender steps.
—
C.c. Weiss
may 28,
New Atlas,
28 May 2026
The two trains were moved to a yard for further inspection, where damage was found to the couplers of both trains.
—
Evan Simko-Bednarski,
New York Daily News,
15 Apr. 2026
One resourceful backpacker invented this coupler for refilling miniature toothpaste tubes from full-sized ones.
—
Zoe Gates,
Outside,
28 Oct. 2025
See All Example Sentences for coupler
Cite this Entry
“Coupler.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coupler. Accessed 6 Jul. 2026.
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