vt.,vi. (在漫长的航程中水手于暇时)在(贝壳;鲸牙等上)做精致手工[雕刻、彩画等]。 n. (水手做的这种)精致工艺品。
a carving (or engraving) on whalebone, whale ivory, walrus tusk, etc., usually by American whalers
Scrimshaw is the name given to scrollwork, engravings, and carvings done in bone or ivory. Typically it refers to the handiwork created by whalers made from the byproducts of harvesting marine mammals.