noun
- a large, flightless, ratite bird, Emu (Dromaius) novaehollandiae, of Australia, resembling the ostrich but smaller and having a feathered head and neck and rudimentary wings.
- Also emu electromagnetic unit.
- Aerospace. extravehicular mobility unit.
noun
- a large Australian flightless bird, Dromaius novaehollandiae, similar to the ostrich but with three-toed feet and grey or brown plumage: order CasuariiformesSee also ratite
abbreviation for
- European Monetary Union
- Economic and Monetary Union
- See e.m.u.
“large Australian bird,” 1610s, probably from Portuguese ema “crane, ostrich,” of unknown origin.
- Abbreviation of electromagnetic unit