Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
half-relief is a noun meaning "a sculptural relief between low relief and high relief". It carries one recorded sense.
a sculptural relief between low relief and high relief
Definitions, synonyms and semantic relations for half-relief come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.