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-sight is a noun meaning "the ability to see in reduced illumination (as in moonlight)". It carries one recorded sense.
the ability to see in reduced illumination (as in moonlight)
Definitions, synonyms and semantic relations for night-sight come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.