silkworm
/ˈsɪlkwɜːm/noun
1- the commercially bred caterpillar of the domesticated silk moth (Bombyx mori), which spins a silk cocoon that is processed to yield silk fibre蚕, 桑蚕, 家蚕。
1.1
- with modifier a commercial silk-yielding caterpillar of a saturniid moth桑蚕。见TUSSORE.
词源
Old English seolcwyrm （see SILK， WORM）.