- (a.) An American fish of the genus Thymallus, having similar habits to the above; one species (T. Ontariensis), inhabits several streams in Michigan; another (T. montanus), is found in the Yellowstone region.
- (a.) A European fish (Thymallus vulgaris), allied to the trout, but having a very broad dorsal fin; -- called also umber. It inhabits cold mountain streams, and is valued as a game fish.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). grayling. Retrieved September 20, 2026, from http://smartdefine.org/grayling/definitions/2013574 |
| Chicago | Webster's. 2011. "grayling" http://smartdefine.org/grayling/definitions/2013574 (accessed September 20, 2026). |
| Harvard | Webster's 2011, grayling, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/grayling/definitions/2013574>. |
| MLA | Webster's. "grayling" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/grayling/definitions/2013574> |