Meaning of nightman in English:

nightman

Pronunciation /ˈnʌɪtman/

noun

  • 1archaic, historical A man employed to empty cesspools, outdoor privies, etc., at night and to remove the waste matter. Also figurative.

  • 2A man who works during the night or on a night shift. Also (slang): a nocturnal wrongdoer or criminal; a burglar.

Origin

Late 16th century; earliest use found in City of London Book of Fines. From night + man.