[silk.worm] n (bef. 12c): a moth whose larva spins a large amount of strong silk in constructing its cocoon; esp: an Asian moth (Bombyx mori of the family Bombycidae) whose rough wrinkled hairless yellowish caterpillar produces the silk of commerce
SILKWORM
Meaning of SILKWORM in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012