1) Bulge in a trunk 2) Bulge on a bole 3) Bump on a log 4) Burl 5) Burl in wood 6) Burl on a buttonwood 7) Burl on a tree 8) Burl on wood 9) Burr in wood 10) Growth on a trunk 11) Knot in wood 12) Lumber feature 13) Protuberance 14) Tree burl 15) Tree knot 16) Tree node 17) Tree trunk bulge 18) Tree trunk protuberance 
• (n.) See Gnar.
Knar (när) noun See Gnar . [ Obsolete] Chaucer. 
a knot on a tree or in wood.