bur oak

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bur oak

n.
A deciduous oak tree (Quercus macrocarpa) of eastern North America, having deeply lobed leaves, acorns enclosed within a deep fringed cup, and hard durable wood.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

bur oak

n
(Plants) an E North American oak, Quercus macrocarpa, having fringed acorn cups and durable timber
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.bur oak - medium to large deciduous oak of central and eastern North America with ovoid acorns deeply immersed in large fringed cupsbur oak - 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
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
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