1
a
: a widely distributed irregular and often shrubby Australian acacia (Acacia aneura) that has usually linear grayish green phyllodes, yields a very hard tough heavy wood, and is an important forage plant in much of the drier part of Australia
b
: any of several other Australian acacias that resemble mulga
broadly
: any Australian tree of scrubby growth and notably hard wood
3
or mulga scrub
or mulga country
: arid land of Australia on which the mulga (Acacia aneura) is the dominant form of vegetation
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Merriam-Webster unabridged
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