Phr V
plough back
ploughs, ploughing, ploughed/plows, plowing, plowed
plough back sth or plough sth back
British, American & Australianplow back sth or plow sth back
American to put money that you have earned into a business in order to make the business bigger or betterusually + intoAll the company's profits are ploughed back into it.