locust bean locust bean /ˈloʊkəst biːn/

noun

1. Long pod containing small beans and sweetish edible pulp; used as animal feed and source of a chocolate substitute  ( algarroba , algarroba bean , carob , carob bean , locust bean , locust pod )
   long pod containing small beans and sweetish edible pulp; used as animal feed and source of a chocolate substitute