Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
oaten is an adjective meaning "of or related to or derived from oats". It carries one recorded sense.
of or related to or derived from oats
“oaten bread”
Definitions, synonyms and semantic relations for oaten come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.