e.m.u.

abbr. electromagnetic unit(s).

* * *

e|mu «EE myoo», noun.

a large, three-toed Australian bird like an ostrich but smaller. Emus cannot fly, but they can run very fast. Also, emeu.

╂[apparently < Portuguese ema crane, ostrich]

e.m.u. or EMU (no periods),

electromagnetic unit or units.