The commercially bred hairless white caterpillar of the domestic silkworm moth which spins a cocoon that can be processed to yield silk fibre; the principal source of commercial silk
Larva of a saturniid moth; spins a large amount of strong silk in constructing its cocoon - giant silkworm, wild wilkworm
Derived forms: silkworms
Type of: caterpillar
Part of: Bombyx, family Saturniidae, genus Bombyx, Saturniidae