Definition of blinker
(Entry 1 of 2)
2a
: blinder sense 1
b
: a cloth hood with shades projecting at the sides of the eye openings used on skittish racehorses
—usually used in plural
blinker
verb
blinkered; blinkering; blinkers
Definition of blinker (Entry 2 of 2)
: to put blinders on
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Merriam-Webster unabridged
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Time Traveler for blinker
The first known use of blinker was in 1637
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