Source of hardwood (3)
I believe the answer is:
oak
(Other definitions for oak that I've seen before include "Acorn-bearing tree" , "Tree of the genus Quercus" , "Strong hardwood" , "Common deciduous tree" , "Building timber" .)
I believe the answer is:
oak
(Other definitions for oak that I've seen before include "Acorn-bearing tree" , "Tree of the genus Quercus" , "Strong hardwood" , "Common deciduous tree" , "Building timber" .)