say it: REE-dur
reader is a noun meaning "a person who enjoys reading". It carries 8 recorded senses.
someone who contracts to receive and pay for a service or a certain number of issues of a publication
a person who can read; a literate person
someone who reads proof in order to find errors and mark corrections
someone who reads the lessons in a church service; someone ordained in a minor order of the Roman Catholic Church
one of a series of texts for students learning to read
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 reader 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.