What does the word lees mean?

Usage examples for lees

  1. But when the battalion is drawn up at retreat and the shadows stretch across the grass, I shall take up my stand once more on the old parade ground, with all the future Grants and Lees around me, and when the flag comes down, I shall raise my hand with theirs, and show them that I have a country, too, and that the flag we salute together is my flag still. – Captain Macklin by Richard Harding Davis
  2. Ain't de Lees got a boardner? – A House Party with the Tucker Twins by Nell Speed
  3. He smelt like the lees of a rum barrel, and the rims of his eyes were red. – Jimgrim and Allah's Peace by Talbot Mundy