plow back into

plow something back into something

 and plow something back
to put something, such as a profit, back into an investment. We plowed all the profits back into the expansion of the business. Bill and Ted plowed back everything they earned into the company.
See also: back, plow
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • be/go back to square one
  • back to square one
  • break one's neck, to
  • (in) back of (something)
  • back of
  • back of something
  • back over
  • back over (someone or something)
  • come back
  • comeback
References in periodicals archive
If there is less for the companies to plow back into business, those accounts will suffer.