Definition of Tetrao
:a genus (the type of the family Tetraonidae) of grouses now restricted to the capercaillie and closely related forms
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Tetrao
noun
Tet·rao
\
ˈte‧trəˌō
,
-rēˌō
\
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Origin and Etymology of tetrao
New Latin, from Latin, heath cock, moorfowl, from Greek tetraōn (turtledove)
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