wink

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wink

1
an interrupted flashing of light

wink

2
a disc used in the game of tiddlywinks

wink

(1) See Wink hub.

(2) A short control signal in telephony operations. It can be a single pulse, a brief interruption of a continuous tone, a change of bits or a change in polarity of the signal. For example, a momentary interruption (the wink) of a continuous, single-frequency tone is a signal that the receiving device is ready. The momentary interruption (the wink) of current to the light next to a telephone's hold button causes it to flicker as a signal to the user that the line is on hold.
References in classic literature ?
But they said it was along of his wife's dying; though there's reasons in things as nobody knows on--that's pretty much what I've made out; yet some folks are so wise, they'll find you fifty reasons straight off, and all the while the real reason's winking at 'em in the corner, and they niver see't.
'I was down at the water-side,' said Venus, taking another gulp of tea and mournfully winking at the fire--'looking for parrots'--taking another gulp and stopping.
The 48-year-old Congress leader was seated just behind Thambidurai but it was not clear as to whom he was winking at.