• (n.) The root of a leguminous plant (Psoralea esculenta), found near the Rocky Mountains. It is usually oval in form, and abounds in farinaceous matter, affording sweet and palatable food. Found on http://thinkexist.com/dictionary/meaning/breadroot/
Bread`root' noun (Botany) The root of a leguminous plant ( Psoralea esculenta ), found near the Rocky Mountains. It is usually oval in form, and abounds in farinaceous matter, affording sweet and palatable food. » It is the Pomme blanche of Canadian voyageurs. Found on http://www.encyclo.co.uk/webster/B/94