burl
1. burl \'b*r(-*)l\ n [ME burle, fr. (assumed) MF bourle tuft of wool, fr. (assumed) VL (Xburrula, dim. of LL burra shaggy cloth 1: a knot or lump in thread or cloth 2a: a hard woody often flattened hemispherical outgrowth on a tree 2b: veneer made from burls 2. burl \'b*r-lin\ \'b*r-l*r\ vt or burl.ing : to finish (cloth) esp. by repairing loose threads and knots - burl.er n