What is the meaning of the word "supplicate"?

Definitions:

  1. ask for humbly or earnestly, as in prayer copy to clipboard verb
    • supplicate God's blessing copy to clipboard
  2. ask humbly for something copy to clipboard verb
    • They supplicated the King for clemency. copy to clipboard
  3. make a humble, earnest petition copy to clipboard verb
    • supplicate for permission copy to clipboard