bayonet socket

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a coupling mechanism for attaching matching cylindrical parts to each other, where each of which has an arced L-shaped slot with the longer side perpendicular to the axis of the cylinder, such that the slots slide inside each other. There is also usually a knoblike projection on the mount so that when the two parts to be connected are fully inserted in proper alignment, they are locked in place. It is designed for rapid coupling and decoupling, requiring the turning of one part through only a small arc, in place of a screw-type arrangement, which requires several full turns.

See also: Bayonet

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Like most LED bulbs manufactured these days, the Reos Lite smart bulb does not fit in the standard Bayonet socket. Instead, it sports an E27 screw cap (Refer to image below).
Just screw the LED Bulb into the socket (or click it in place in case of a bayonet socket) or plug in the LED Strip, download the app and pair the LiTeClick Lighting with the device.