Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
mizenmast is a noun meaning "third mast from the bow in a vessel having three or more masts; the after and shorter mast of a yawl, ketch, or dandy". It carries one recorded sense.
third mast from the bow in a vessel having three or more masts; the after and shorter mast of a yawl, ketch, or dandy
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 mizenmast come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.