What does the word Which mean?

Usage examples for Which

  1. This is all which Touaricks do." – Travels in the Great Desert of Sahara, in the Years of 1845 and 1846 by James Richardson
  2. He knows London in a way which you and I don't. – "The Pomp of Yesterday" by Joseph Hocking
  3. Look which way she might, there was no hope. – Dora Thorne by Charlotte M. Braeme