noun
hornworm
Rare term for a hornworm (a type of caterpillar). The cross-reference 青虫 (あおむし) suggests a related or more common word for caterpillar.
See also: 青虫
螟蛉は、古典や専門書で見かけることがあるが、日常ではほとんど使われない。
螟蛉 can be encountered in classical or specialized texts, but is hardly used in everyday life.
noun
Archaic term for an adopted child. In modern Japanese, 養子 (ようし) is the standard word.
古文書では、螟蛉を養子の意味で用いる例が見られる。
In old documents, examples can be found where 螟蛉 is used to mean an adopted child.