shagbark hickory

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An eastern North American hickory tree (Carya ovata) having shaggy bark and hard-shelled nuts with edible kernels.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A common hickory found in the eastern USA and in southern Canada, scientific name Carya ovata

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun North American hickory having loose grey shaggy bark and edible nuts