from
The Collaborative International Dictionary of English v.0.48
Carob \Car"ob\, n. [Cf. F. caroube fruit of the carob tree, Sp.
garrobo, al-garrobo, carob tree, fr. Ar. kharr[=u]b, Per.
Kharn[=u]b. Cf. {Clgaroba}.]
1. (Bot.) An evergreen leguminous tree ({Ceratania Siliqua})
found in the countries bordering the Mediterranean; the
St. John's bread; -- called also {carob tree}.
[1913 Webster]
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}.
[1913 Webster]