The lump is called a "burl."
Yes, it is called a burl.
A burl is a tree growth in which the grain has grown in a deformed matter, or wood cut from such a growth.
burl
Gnarl
yes, very carefully. see google for more info.
Burl Barer's birth name is Burl Roger Barer.
Aubrey Burl was born in 1926.
Burl Toler was born in 1928.
Burl Ives is 6' 1".
Burl Ives was straight.
Burl Ives was born on June 14, 1909.