(Science: zoology) a large Australian bird, of two species (Dromaius Novae-Hollandiae and D. Irroratus), related to the cassowary and the ostrich. The emu runs swiftly, but is unable to fly.
alternative forms: emeu and emew.
The name is sometimes erroneously applied, by the Brazilians, to the rhea, or south American ostrich. Emu wren.
Origin: cf. Pg. Ema ostrich, f. Emou, emeu, emu.