giant kangaroo
US /ˈdʒaɪənt ˌkæŋɡəˈruː/
UK /ˈdʒaɪənt ˌkæŋɡəˈruː/

1.
a very large species of kangaroo, typically referring to the red kangaroo or grey kangaroo, known for their powerful legs and ability to hop at high speeds
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The giant kangaroo bounded across the Australian plains.
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We saw a family of giant kangaroos grazing near the forest edge.