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

• ataxy
• at bat
• at-bat
• at best
• at bottom
• ATC
• atchieve
• atchieved
• atchieves
• arcuses
• arcus senilis
• arc welding
• ard
• ARD
• Ardas
• Ardea
• ardeb
• ardebs
• ardencies
• ardency
• ardent
• ardentia verba
• ardently
• ardent spirits
• ardor