bur oak

/ˌbʌr ˈoʊk/

Other forms: bur oaks

Definitions of bur oak

1. noun

   medium to large deciduous oak of central and eastern North America with ovoid acorns deeply immersed in large fringed cups; yields tough close-grained wood
   synonyms: Quercus macrocarpa, burr oak, mossy-cup oak, mossycup oak

   type of:

   white oak

   any of numerous Old World and American oaks having 6 to 8 stamens in each floret, acorns that mature in one year and leaf veins that never extend beyond the margin of the leaf