英语释义
1. a moth whose larva spins a large amount of strong silk in constructing its cocoon especially an Asian moth (Bombyx mori of the family Bombycidae) whose rough wrinkled hairless caterpillar produces the silk of commerce
2. a caterpillar that produces silk which is used to make thread or cloth
3. a yellowish caterpillar that is the larva of an Asian moth ( silk moth or silkworm moth ), is raised in captivity on mulberry leaves, and produces a strong silk that is the silk most used for thread or cloth