A variant of CAROB (tree), following the Arabic form of the word.
1856. J. H. Newman, Callista (1885), 330. A few olives and caroubas.
1867. Lady Herbert, Cradle L., ix. 233. The so-called ‘Forest’ of Carmel … with dwarf oak, bay, carouba.
1884. Constance Fenimore Woolson, in Harper’s Mag., 209/1. Looking at the carouba-trees.
