Third-person singular simple present indicative form of burl.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "burls" in a sentence
"The giant sequoias were the best; they had the thickest branches, although the wartlike bulges called burls on the coastal redwoods were good landing places, too."
"The better grades are also used for furniture and cabinet work, and the "burls" found on this species are highly valued for making fancy articles, gavels, etc."
"Arms and legs, thin from disuse, contrasted to the swollen burls that were his knees and elbows."