shagbark

from WordNet (r) 3.0 (2006)

shagbark
    n 1: North American hickory having loose grey shaggy bark and
         edible nuts [syn: {shagbark}, {shagbark hickory},
         {shellbark}, {shellbark hickory}, {Carya ovata}]

from The Collaborative International Dictionary of English v.0.48

Shagbark \Shag"bark`\, n. (Bot.)
   A rough-barked species of hickory ({Carya alba}), its nut.
   Called also {shellbark}. See {Hickory}.
   (b) The West Indian {Pithecolobium micradenium}, a legiminous
       tree with a red coiled-up pod.
       [1913 Webster]