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

larva of a saturniid moth; spins a large amount of strong silk in constructing its cocoon

any silkworm moth of the family Saturniidae

moderate-sized Asiatic moth whose larvae feed on mulberry leaves and produce silk

eggs of a silkworm