Wood knot
Else clues• Bulge in a trunk
• Bulge on a bole
• Bump on a log
• Bump on a tree
• Burl
• Burl on a buttonwood
• Growth on a trunk
• Knot in wood
• Lumber feature
• Tree burl
• Tree knot
• Tree trunk bulge
• Tree trunk protuberance
• Tree-trunk imperfection
• Trunk bulge
• Trunk protuberance
• Wood blemish
• Wood burl
• Wood protuberance