• WordNet 3.6
    • n ratite flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches; cassowaries; emus; moas; rheas; kiwis; elephant birds
    • ***
Webster's Revised Unabridged Dictionary
    • a Ratite răt"īt (Zoöl) Of or pertaining to the Ratitæ.
    • ***
Century Dictionary and Cyclopedia
    • ratite Raft-breasted, as a bird; having a flat breast-bone or sternum with no keel; having no keel, as a breast-bone; ecarinate; of or pertaining to the.
    • ***
Chambers's Twentieth Century Dictionary
    • n Ratite raft-breasted, as a bird
    • ***