Definition of coupler
1 : one that couples
2 : a contrivance on a keyboard instrument by which keyboards or keys are connected to play together
Recent Examples of coupler from the Web
In this case the coupler was a trio of lenses from an old CD player, stuck together with putty and wrapped in paper to make cylinder.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'coupler'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of coupler
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