saltbushPronunciation: /ˈsɔːltbʊʃ, ˈsɒ-/Definition of saltbush noun a salt-tolerant orache plant sometimes used in the reclamation of saline soils or to provide grazing in areas of salty soil. Genus Atriplex, family Chenopodiaceae: several species, in particular the Australian A. vesicaria saltbush in other Oxford dictionaries Definition of saltbush in the US English dictionary