Te-trā'o-nīd, n.

n. [Fr. tétraonide, from Lat. tetrao, Gr. τετράων, a heath-cock, grouse, and εἶδος, shape.] (Ornith.) A bird belonging to the tribe of which the Tetrao is the type, as the grouse, partridge, quail, and the like;— used also as an adjective.