emu

¹emu

noun \ˈē-(ˌ)myü, -mü\

: an Australian bird that does not fly but is a very fast runner

Full Definition of EMU

:  a swift-running Australian ratite bird (Dromaius novae-hollandiae) with undeveloped wings that is smaller than the ostrich

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Illustration of EMU

Origin of EMU

modification of Portuguese ema cassowary

First Known Use: 1656

²emu

abbreviation

Definition of EMU

electromagnetic unit

emu

noun    (Concise Encyclopedia)

Emu (Dromaius novaehollandiae)—V. Serventy—Bruce Coleman Inc.

Ratite of Australia. After the ostrich, the emu is the second-largest living bird. They stand more than 5 ft (1.5 m) tall and often weigh more than 100 lbs (45 kg). The common emu (Dromaius novaehollandiae, family Dromaiidae), the only survivor of several forms exterminated by settlers, has a stout body and long legs. Both sexes are brownish, with a dark-gray head and neck. Emus can run up to 30 mph (50 kph); if cornered, they kick with their large feet. They mate for life and forage in small flocks for fruits and insects but sometimes damage crops. See also cassowary.