We found 6 dictionaries that define the word ruffed grouses:

General (4 matching dictionaries)

1. ruffed grouses: Merriam-Webster
2. ruffed grouses: Collins English Dictionary
3. ruffed grouses: Wiktionary
4. ruffed grouses: TheFreeDictionary.com

Computing (1 matching dictionary)

5. ruffed grouses: Encyclopedia

Medicine (1 matching dictionary)

6. ruffed grouses: Medical dictionary

(Note: See ruffed_grouse as well.)

Definitions from Wiktionary (ruffed grouse) ▸ noun:  An American game bird, Bonasa umbellus; the male makes drumming sounds with its wings ▸ Also see ruffed_grouse ▸ Words similar to ruffed grouses ▸ Usage examples for ruffed grouses ▸ Idioms related to ruffed grouses ▸ Wikipedia articles (New!) ▸ Words that often appear near ruffed grouses ▸ Rhymes of ruffed grouses ▸ Invented words related to ruffed grouses