1. (noun)burl the wood cut from a tree burl or outgrowth; often used decoratively in veneer Synonyms: slub, knot
2. (noun)burl a large rounded outgrowth on the trunk or branch of a tree Synonyms: slub, knot
3. (verb)slub, knot, burl soft lump or unevenness in a yarn; either an imperfection or created by design Synonyms: international nautical mile, knot, nautical mile, mile, slub, air mile, grayback, gnarl, naut mi, greyback, burl, mi