Wiktionary
n. One of the big, edible nuts of the hickory tree.
WordNet
n. small hard-shelled nut of North American hickory trees especially the shagbark hickories
Usage examples of "hickory nut".
His left hand darted within and came out with a red ball the size of a hickory nut.
Then she, who did not know yet she was carrying me, took the reins while he sat down to rest under a hickory nut tree.
As you once said yourself, Jeanne, you could crack his skull between finger and thumb like a hickory nut!
But so much was said about Hickory Nut Gap that a visit to it could not be evaded.
Don't you think we can smash him between us, the way you'd smash a hickory nut between two stones?
He wasnt aware that hed spoken aloud until a red squirrel balanced on a branch above him took the half-gnawed hickory nut from its jaws and said, They know that they are warriors and heroes, Hansen.