Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
spearhead-shaped is an adjective meaning "(of a leaf shape) like a spear point, with flaring pointed lobes at the base". It carries one recorded sense.
Definitions, synonyms and semantic relations for spearhead-shaped come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.