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
One resourceful backpacker invented this coupler for refilling miniature toothpaste tubes from full-sized ones.
—
Zoe Gates, Outside, 28 Oct. 2025
For trucks towing boats, bikes or otherwise, verify your tow rating, tongue weight (the downward force that a trailer’s coupler exerts on the hitch ball of the tow vehicle) and make sure your trailer lights/brakes work.
—Josh Max, Forbes.com, 25 July 2025
Each resonator is connected to each other resonator via a tunable coupler.
—IEEE Spectrum, 19 May 2025
Sources say the incident was discovered Sunday when crews discovered that two separate R trains parked along a section of layup track between the Briarwood and Sutphin Blvd. stations on the F line were touching and had sustained some damage to their couplers.
—Rocco Parascandola, New York Daily News, 1 May 2025
See All Example Sentences for coupler
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Zoe Gates, Outside, 28 Oct. 2025
For trucks towing boats, bikes or otherwise, verify your tow rating, tongue weight (the downward force that a trailer’s coupler exerts on the hitch ball of the tow vehicle) and make sure your trailer lights/brakes work.
—Josh Max, Forbes.com, 25 July 2025
Each resonator is connected to each other resonator via a tunable coupler.
—IEEE Spectrum, 19 May 2025
Sources say the incident was discovered Sunday when crews discovered that two separate R trains parked along a section of layup track between the Briarwood and Sutphin Blvd. stations on the F line were touching and had sustained some damage to their couplers.
—Rocco Parascandola, New York Daily News, 1 May 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 28 Nov. 2025.
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