n.large brightly colored and usually tropical moth; larvae spin silken cocoons
同义词：saturniid moth
英汉双解大词典
saturniid/sæˈtɜːnɪɪd/
1.
N（名词）
any moth of the mainly tropical family Saturniidae, typically having large brightly coloured wings: includes the emperor, cecropia, and luna moths 天蚕蛾科蛾子
2.
ADJ（形容词）
of, relating to, or belonging to the Saturniidae 天蚕蛾科的