Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
hammerhead is a noun meaning "a stupid person; these words are used to express a low opinion of someone's intelligence". It carries 3 recorded senses.
a stupid person; these words are used to express a low opinion of someone's intelligence
medium-sized live-bearing shark with eyes at either end of a flattened hammer-shaped head; worldwide in warm waters; can be dangerous
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 hammerhead come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.