say it: RED-hed
redhead is a noun meaning "someone who has red hair". It carries 3 recorded senses.
someone who has red hair
North American diving duck with a grey-and-black body and reddish-brown head
black-and-white North American woodpecker having a red head and neck
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 redhead come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.