Definify.com
Webster 1913 Edition
Blinker
Blink′er
,Noun.
1.
One who, or that which, blinks.
2.
A blinder for horses; a flap of leather on a horse’s bridle to prevent him from seeing objects as his side hence, whatever obstructs sight or discernment.
Nor bigots who but one way see,
through
through
blinkers
of authority. M. Green.
3.
pl.
A kind of goggles, used to protect the eyes form glare, etc.