Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
self-sown is an adjective meaning "growing from seed dispersed by natural agency such as wind or birds". It carries one recorded sense.
growing from seed dispersed by natural agency such as wind or birds
Definitions, synonyms and semantic relations for self-sown come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.