billabong
noun/ˈbɪləbɒŋ/
/ˈbɪləbɔːŋ/
- (in Australia) a lake that is formed when a river floodsWord Originmid 19th cent.: from Wiradhuri bilabang ‘channel that is dry except after rain’.
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billabong
Definition of billabong noun from the Oxford Advanced Learner's Dictionary