Definition of mockernut in US English:

mockernut

noun

US
  • A North American hickory, Carya tomentosa (more fully "mockernut hickory").

Origin

Early 19th century; earliest use found in François André Michaux (1770–1855). From mocker + nut, probably so called from the small size of the kernel.

Pronunciation

mockernut

/ˈmɒkənʌt/