蠹虫 dùchóng moth; wood borer Definitions Defs Origin Strokes Stroke Words Sentences Sents dùchóng moth; wood borer · silverfish; bristletail 蠹 dù bookworm (bound form) an insect that eats into books, wood, or clothing; also refers to a bookworm as in 蠹虫 dùchóng虫 蟲 chóng noun insect lower form of animal life, including insects, larvae, worms, and similar creaturesdùchóng vermin 蠹 dù malpractice (bound form) corruption; malpractice; an evil that undermines or damages from within虫 蟲 chóng noun [person type] Used in a derogatory or playful way to describe a person with a particular characteristic, such as a lazy person or a bookworm.