What does the word invest mean?

Usage examples for invest

  1. While visiting a distillery for the purpose of trying to persuade the owner to invest his money in another business, he noticed that " slops smoking hot from the stills" were being carried to cow stables. – Civics and Health by William H. Allen
  2. Only subjects of King Angus will be allowed to invest in the Tanith Adventure." – Space Viking by Henry Beam Piper
  3. We must know what the world needs first and then invest ourselves to supply that need, and success is almost certain. – The Art of Public Speaking by Dale Carnagey (AKA Dale Carnegie) and J. Berg Esenwein