Definition of moonack in English:

moonack

Pronunciation /ˈmuːnak/

noun

dialect, rare US
  • The woodchuck, Marmota monax.

    Among African Americans the name was applied to a mythical animal believed to have a baneful influence.

Origin

Mid 17th century; earliest use found in George Alsop (b. 1638). From a cognate in a Nanticoke–Conoy language of Munsee mo:náhke:w, lit. ‘earth-digger’.