coupler

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coupler

[′kəp·lər]
(electricity)
A component used to transfer energy from one circuit to another.
(electromagnetism)
A passage which joins two cavities or waveguides, allowing them to exchange energy.
A passage which joins the ends of two waveguides, whose cross section changes continuously from that of one to that of the other.
(engineering)
A device that connects two railroad cars.
(graphic arts)
A substance that can react with the unexposed diazonium salt in a diazo material to produce the visible dye image.
(navigation)
The portion of a navigation system that receives signals of one type from a sensor and transmits signals of a different type to an actuator.

coupler

A metal hardware device used to join frames and braces of tubular metal scaffolding.

coupler

A device that connects one thing to another. See plugs and sockets and network coupler.