PIPING a.
Simmering; boiling; sizzling; hissing; -- from the sound of boiling fluids. Piping crow, Piping crow shrike, Piping roller (Zoöl.), any Australian bird of the genus Gymnorhina, esp. G. tibicen, which is black and white, and the size of a small crow. Called also caruck. -- Piping frog (Zoöl.), a small American tree fro…