Definition of night-herder in US English:

night-herder

noun

West, United States Regional
historical
  • A person who herds or guards cattle or other animals at night.

Origin

Late 19th century; earliest use found in John Beadle (1840–1897). From night + herder.

Pronunciation

night-herder

/ˈnʌɪtˌhəːdə/