Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
blinker is a noun and verb meaning "a light that flashes on and off; used as a signal or to send messages". It carries 4 recorded senses.
a blinking light on a motor vehicle that indicates the direction in which the vehicle is about to turn
put blinders on (a horse)
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for blinker come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.