noun Tet·rao \ˈte‧trəˌō, -rēˌō\

Definition of Tetrao

  1. :  a genus (the type of the family Tetraonidae) of grouses now restricted to the capercaillie and closely related forms

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Origin and Etymology of tetrao

New Latin, from Latin, heath cock, moorfowl, from Greek tetraōn — more at turtle (turtledove)

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to criticize severely

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