Meaning

noun the wood cut from a tree burl or outgrowth; often used decoratively in veneer

noun a large rounded outgrowth on the trunk or branch of a tree

noun soft lump or unevenness in a yarn; either an imperfection or created by design

originFrom Middle English burle (“a knot or flaw in cloth”), from Old French bourle (“flocks or ends of threads which disfigure cloth”), diminutive of Old French bourre, from Medieval Latin burra (“flock of wool, coarse hair”).

Etymology from Wiktionary, CC BY-SA 3.0