Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
co-defendant is a noun meaning "a defendant who has been joined together with one or more other defendants in a single action". It carries one recorded sense.
a defendant who has been joined together with one or more other defendants in a single action
Definitions, synonyms and semantic relations for co-defendant come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.