Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
by-line is a noun meaning "a line giving the name of the writer of a story or article". It carries 2 recorded senses.
a line giving the name of the writer of a story or article
Definitions, synonyms and semantic relations for by-line come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.