pl. -·ling or -·lings
- any of a genus (Thymallus) of arctic, freshwater game trout with a long dorsal fin
- any of various large wood nymph butterflies
Origin of graylinggray + -ling: from the color
nounpl. grayling or gray·lings
Any of several freshwater salmonid fishes of the genus Thymallus of northern North America and Eurasia, having a small mouth and a large dorsal fin and valued as a food and game fish.
(plural grayling or graylings)
gray + -ling