"burls" in the noun sense
1. burl
the wood cut from a tree burl or outgrowth often used decoratively in veneer
2. burl
a large rounded outgrowth on the trunk or branch of a tree
3. slub, knot, burl
soft lump or unevenness in a yarn either an imperfection or created by design
"burls" in the verb sense
1. burl
remove the burls from cloth
Source: WordNet® (An amazing lexical database of English)
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