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bur oak

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noun
  1. an oak tree, Quercus macrocarpa, of eastern North America, having shiny, dark-green leaves, light-gray deeply ridged bark, and very large acorns with a fringed cup, yielding a hard, durable wood: the state tree of Illinois.

Origin of bur oak

An Americanism dating back to 1805–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for bur oak

Historical Examples

  • Here, with the help of their nearest neighbors, they built in a day a cabin of rough, bur-oak logs.

    Heroes of To-Day

    Mary R. Parkman


British Dictionary definitions for bur oak

bur oak

noun
  1. an E North American oak, Quercus macrocarpa, having fringed acorn cups and durable timber
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012