a Mediterranean tree, Ceratonia siliqua, of the legume family, bearing long, leathery pods containing hard seeds and sweet, edible pulp.
Also called St. John's-bread, algarroba, locust bean. the pod of this tree, the source of various foodstuffs, including a substitute for chocolate, as well as substances having several industrial uses, and sometimes used as food for animals.
a powder made from the ground pods and seeds of this tree and used in cooking, especially as a substitute for chocolate.
1540s, from French carobe, ultimately from Arabic kharrub "locust bean pod" (also in Persian as khirnub), perhaps from Assyrian kharubu or Aramaic kharubha "carob tree, carob," related to Hebrew harubh.