1an Australian acacia tree with silvery foliage sometimes used as fodder.
Genus Acacia, family Leguminosae: several species, in particular A. pendula, which has violet-scented timber
2Australian an Australian Aboriginal living in a traditional way.
Origin:
mid 19th century(in sense 1): sense 2 from Dharuk myal, miyal 'person from another tribe'; sense 1 is perhaps an unexplained transferred use of sense 2
