ro·​sel·​la | \ rōˈzelə\
plural -s

Definition of rosella

1 : an Australian parakeet (Platycercus eximius) often kept as a cage bird having the head and back of the neck scarlet and the cheeks white, the back dark green varied with lighter green, and the breast red and yellow broadly : any parakeet of the genus Platycercus
2 Australia : a sheep that has shed a portion of its wool

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First Known Use of rosella

1829, in the meaning defined at sense 1

History and Etymology for rosella

irregular from Rosehill, district near Sydney, southeast Australia

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The first known use of rosella was in 1829

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miscellaneous remnants or debris

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