Noun
- 1. silkworm, caterpillar
- usage: the commercially bred hairless white caterpillar of the domestic silkworm moth which spins a cocoon that can be processed to yield silk fiber; the principal source of commercial silk
- 2. silkworm, giant silkworm, wild wilkworm, caterpillar
- usage: larva of a saturniid moth; spins a large amount of strong silk in constructing its cocoon
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