What does the word dig mean?

Usage examples for dig

  1. I wish you'd ask her to dig up a friend." – Flowing Gold by Rex Beach
  2. They had to dig down, down, down to get the room they needed. – Paul and the Printing Press by Sara Ware Bassett
  3. It would be better, therefore, to dig the ground late in the afternoon, and set out the plants the same evening. – The Home Acre by E. P. Roe