Al·ga·ro·ba n.  Bot. (a) The Carob, a leguminous tree of the Mediterranean region; also, its edible beans or pods, called St. John's bread. (b) The Honey mesquite (Prosopis juliflora), a small tree found from California to Buenos Ayres; also, its sweet, pulpy pods. A valuable gum, resembling gum arabic, is collected from the tree in Texas and Mexico.
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 Car·ob n.
 1. Bot. An evergreen leguminous tree (Ceratania Siliqua) found in the countries bordering the Mediterranean; the St. John's bread; -- called also carob tree.
 2. One of the long, sweet, succulent, pods of the carob tree, which are used as food for animals and sometimes eaten by man; -- called also St. John's bread, carob bean, and algaroba bean.
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