Definition of capercaillie
: a very large European grouse (Tetrao urogallus) of hilly coniferous woodlands
Origin and Etymology of capercaillie
Scottish Gaelic capalcoille, literally, horse of the woods
First Known Use: 1536
Seen and Heard
What made you want to look up capercaillie? Please tell us where you read or heard it (including the quote, if possible).