Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
breast-fed is an adjective meaning "(of an infant) fed milk from the mother's breast". It carries one recorded sense.
(of an infant) fed milk from the mother's breast
Definitions, synonyms and semantic relations for breast-fed come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.