From Longman Business Dictionarycumulative preferred stockˌcumulative preˈferred ˌstock [uncountable]FINANCE a class of PREFERENCE STOCK where if the company does not pay DIVIDENDs in some years, the amount of these dividends is paid in later years, and not lost to the stockholderThe oil company said that it deferred payment of cash dividends on its $15.75 cumulative preferred stock, due Sept. 1. → stock