Definition of "so that"

so that

conjunction
1. Indicates purpose; in order that, with the result that.
  Quotations
  He seized his axe, which he had made very sharp, and as the leader of the wolves came on the Tin Woodman swung his arm and chopped the wolf's head from its body, so that it immediately died.
  1900 May 17, L[yman] Frank Baum, The Wonderful Wizard of Oz, Chicago, Ill., New York, N.Y.: Geo[rge] M. Hill Co.
2. Indicates purpose; in such a way that, with the intent that.
  Quotations
  The Bat—they called him the Bat. […]. He'd never been in stir, the bulls had never mugged him, he didn't run with a mob, he played a lone hand, and fenced his stuff so that even the fence couldn't swear he knew his face.
  1920, Mary Roberts Rinehart, Avery Hopwood, chapter I, in The Bat: A Novel from the Play (Dell Book; 241), New York, N.Y.: Dell Publishing Company, page 01