Meaning of FLIGHTLESS BIRD

Pronunciation:			'flItlis burd
WordNet Dictionary
	Definition:		[n]  flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches; cassowaries; emus; moas; rheas; kiwis; elephant birds
	Synonyms:		ratite, ratite bird
	Antonyms:		carinate, carinate bird, flying bird
	See Also:		aepyornis, apteryx, bird, cassowary, Dromaius novaehollandiae, elephant bird, emu, Emu novaehollandiae, kiwi, moa, nandu, ostrich, Pterocnemia pennata, rhea, Rhea americana, Struthio camelus