1
- a slub or lump in wool or cloth（毛线或织物上的）粒结。
1.1
- N. Amer. a rounded knotty growth on a tree, giving an attractive figure when polished and used especially for handcrafted objects and veneers〈北美〉树瘤; 树结：
she used warty burls to construct her pieces
她用树瘤料构作她的作品
mass noun wooden coin banks made of elm burl用榆树瘤做成的硬币罐
as modifier a burl bowl.木瘤碗。
词源
late Middle English: from Old French bourle 'tuft of wool'， diminutive of bourre 'coarse wool'， from late Latin burra 'wool'.