- electromagnetic unit, emu - any of various systems of units for measuring electricity and magnetism
--1 is a kind of unit of measurement, unit
--1 has particulars: - emu, Dromaius novaehollandiae, Emu novaehollandiae - large Australian flightless bird similar to the ostrich but smaller
--2 is a kind of ratite, ratite bird, flightless bird
--2 is a member of Dromaius, genus Dromaius