Definition of night-fly in English:

night-fly

noun

  • Angling. An artificial fly used in night-fishing.

verb

  • with object And without object. To fly (an aircraft) at night.

Origin

Early 17th century (in an earlier sense). From night + fly<br>1920s; earliest use found in The Daily Telegraph. From night + fly, after night flying.

Pronunciation

night-fly

/ˈnʌɪtflʌɪ/