| Noun | 1. | silverfish - silver-grey wingless insect found in houses feeding on book bindings and starched clothingthysanuran insect, thysanuron - primitive wingless insects: bristletail genus Lepisma, Lepisma - type genus of the Lepismatidae: silverfish |
| 2. | silverfish - a silvery variety of Carassius auratus Carassius auratus, goldfish - small golden or orange-red freshwater fishes of Eurasia used as pond or aquarium fishes |