EMU abbr. 1. also emu electromagnetic unit 2. European Monetary Union e·mu (ē′myo͞o) n. A large, flightless Australian bird (Dromaius novaehollandiae) that has shaggy brown plumage and is raised for its meat, oil, and leather. [Portuguese ema, rhea.] emu (ˈiːmjuː) n (Animals) a large Australian flightless bird, Dromaius novaehollandiae, similar …

