Dictionary.com
Thesaurus.com

plough back

British  

verb

  1. (tr, adverb) to reinvest (the profits of a business) in the same business

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In a few days they would plough back loaded with coal.

From A Yankee Flier with the R.A.F. by Montgomery, Rutherford George

I pulled the plough back 41 again to the starting-point, and tried once more.

From The Idyl of Twin Fires by Eaton, Walter Prichard

The long-studied problem of employing a gang of ploughs to plough back and forth and successfully operated by steam has been solved, and electricity is now being introduced as a motor in place of steam.

From Inventions in the Century by Doolittle, William Henry

The man was much annoyed at being found out, but, willy nilly, he had to give the plough back.

From The Giant Crab and Other Tales from Old India by Rouse, W.H.D.