Definition of mossbunker in English:

mossbunker

Pronunciation /ˈmɒsˌbʌŋkə/

noun

dialect US
  • The Atlantic menhaden (fish), Brevoortia tyrannus.

Origin

Late 18th century. From Dutch marsbanker (also †masbank) the horse mackerel or scad (Trachurus trachurus), also the Atlantic menhaden; further etymology uncertain.