Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
night-line is a noun meaning "a fishing line with baited hooks left in the water to catch fish over night". It carries one recorded sense.
a fishing line with baited hooks left in the water to catch fish over night
Definitions, synonyms and semantic relations for night-line come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.