ferula /ˈfɛɹ(j)ələ/ noun3 •(no longer used) A stroke from a cane.And Old Barrett has a new way of twisting the note so that you can't open it and fold it again to see how many ferulae you are to get. — 1916 •(no longer used) A ferule.He humbles with a ferula the tall ones — 1613 •(no longer used) The imperial sceptre in the Byzantine Empire. formsferulae · ferulas