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ratite

Pronunciation: /ˈratʌɪt/

Ornithology

Definition of ratite

adjective

(of a bird) having a flat breastbone without a keel, and so unable to fly. Contrasted with carinate.

noun

any of the mostly large, flightless birds with a ratite breastbone, i.e. the ostrich, rhea, emu, cassowary, and kiwi, together with the extinct moa and elephant bird.