WordNet: flightless bird, ratite, ratite bird

flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches; cassowaries; emus; moas; rheas; kiwis; elephant birds

• hypernym bird

• hyponym Struthio camelus, ostrich

• hyponym cassowary

• hyponym Dromaius novaehollandiae, Emu novaehollandiae, emu

• hyponym apteryx, kiwi

• hyponym Rhea americana, rhea

• hyponym Pterocnemia pennata, nandu, rhea

• hyponym aepyornis, elephant bird

• hyponym moa

flightless bird

• (suomi) lentokyvytön lintu (synonyymi)

ratite

• (englanti) carinate (antonym)
• (suomi) sileälastainen lintu (synonyymi)

ratite bird

• (suomi) sileälastainen lintu (synonyymi)