Definition of moa
: any of various usually very large extinct flightless birds of New Zealand of a ratite order (Dinornithiformes) including one (Dinornis giganteus of the family Dinornithidae) nearly 12 feet (3.7 meters) in height
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Merriam-Webster unabridged
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Time Traveler for moa
The first known use of moa was in 1839
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