say it: IR-muhf
earmuff is a noun meaning "either of a pair of ear coverings (usually connected by a headband) that are worn to keep the ears warm in cold weather". It carries one recorded sense.
either of a pair of ear coverings (usually connected by a headband) that are worn to keep the ears warm in cold weather
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 earmuff 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.