虫牙 chóngyá tooth decay Definitions Defs Origin Strokes Stroke Words Sentences Sents chóngyá tooth decay · decayed tooth 虫 蟲 chóng noun insect lower form of animal life, including insects, larvae, worms, and similar creatures牙 yá noun tooth tooth; teethchóngyá scolecodont 虫 蟲 chóng noun insect lower form of animal life, including insects, larvae, worms, and similar creatures牙 yá noun tooth-shaped object (bound form) something shaped like a tooth, such as a cog or gear tooth