ratite /ratˈīt/ (ornithology)

1. Having a keel-less breastbone
2. Of the Ratitae /rä-tīˈtē/, flightless birds, such as the ostrich, rhea, emu, kiwi, etc

• river basins
• river bed
• river beds
• river blindness
• riverboat
• riverboats
• river bottom
• river bottoms
• river card
• rivercraft
• rivercrafts
• river dolphin
• river dolphins
• river-dragon
• river-dragons
• river drift
• river drifts
• river-driver
• river-drivers
• rivered
• riveret
• riverets
• river flat
• riverfront
• riverfronts