tetrao urogallus tetraonine • Tetrapanax · · · Info · Definitions · Synonyms · Characters · · tetrao urogallus · · Text Common · · Latin · · Scripts 16 · · Length 7 · · Syllables Definitions · · · (noun) large black Old World grouse. Synonyms: capercaillie, capercailzie, horse of the wood, Tetrao urogallus. · · Noun Definition 1 Synonyms · · · capercaillie · · Synonym 1 capercailzie · · Synonym 2 horse of the wood · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075