ratite Ratitae • ratitous · · · Info · Definitions · Synonyms · Antonyms · Characters · · ratite · · Text Latin · · Script 6 · · Length Definitions · · · (noun) flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches; cassowaries; emus; moas; rheas; kiwis; elephant birds. Synonyms: ratite bird, flightless bird. · · Noun Definition 1 Synonyms · · · ratite bird · · Synonym 1 flightless bird · · Synonym 2 Antonyms · · · carinate · · Antonym 0 carinate bird · · Antonym 1 flying bird · · Antonym 2 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 r latin small letter r U+0072 t latin small letter t U+0074