What does the word sweetheart mean?

Usage examples for sweetheart

  1. My little sweetheart, I'll make all this misery up to you! – Sisters by Kathleen Norris
  2. A mother, somewhere, a wife, a daughter, a sister, a sweetheart, called through that voice of absolute womanhood. – Alice of Old Vincennes by Maurice Thompson
  3. Oh, thought the Little Sweetheart, I shall never go to sleep in the world, and I'm sure I don't want to! – Between Whiles by Helen Hunt Jackson