Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
old-line is an adjective meaning "adhering to conservative or reactionary principles". It carries 2 recorded senses.
long-established
Definitions, synonyms and semantic relations for old-line come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.