Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
curly-heads is a noun meaning "shrubby clematis of the eastern United States having curly foliage". It carries one recorded sense.
shrubby clematis of the eastern United States having curly foliage
Definitions, synonyms and semantic relations for curly-heads come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.