blinkers noun[plural only]3 •A pair of leather or rubber eye cups attached to a horse hood in order to impede the rear vision of racehorses and harness horses.‘Here, young’un! Get a hold of those blinkers, shove that collar on, and bring me the harness over there.’ — 1933 •A kind of goggles, used to protect the eyes from glare, dust, etc. •(slang) Spectacles.