say it: WAHY-pur
wiper is a noun meaning "a worker who wipes". It carries 3 recorded senses.
a worker who wipes
contact consisting of a conducting arm that rotates over a series of fixed contacts and comes to rest on an outlet
a mechanical device that cleans the windshield
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 wiper 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.