Letters that make bur oak
a, o, b, k, r, u are letters that make 'bur oak'
1 possible definitions for 'bur oak'
Under this definition, bur oak is a noun and has the following properties:
burr oak, mossy-cup oak, mossycup oak, Quercus macrocarpa have the same meaning as 'bur oak'
'bur oak' can be a type of white oak.