mockernut \mockernut\, mocker nut \mocker nut\n.
1. (Bot.), A smooth-barked North American hickory ({Carya
tomentosa}) with 7 to 9 leaflets bearing a hard-shelled
edible nut, which is far inferior to the true shagbark
hickory nut.
Syn: mockernut hickory, black hickory, white-heart hickory,
big-bud hickory, {Carya tomentosa} .
[1913 Webster + WordNet 1.5]
2. The fruit of the mockernut[1].
[PJC]