Grayling

noun

1. Any freshwater fish of the genus Thymallus or specifically Thymallus thymallus, of the salmon family, having a large dorsal fin.
2. Other similar fish
3. A species of butterfly, Hipparchia semele, of the family Nymphalidae.
4. Other butterflies of genus Hipparchia.
5. Cercyonis pegala (common wood-nymph)