carob bean ca·rob·bean uncommon noun 1. long pod containing small beans and sweetish edible pulp; used as animal feed and source of a chocolate substitute Synonymscarobcarob beanalgarroba beanalgarrobalocust beanlocust pod Related words Word family carob bean tree Broader terms bean Parts carob WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.