What does the word cement mean?

Usage examples for cement

  1. One of the lower windows was made just large enough to admit my person, and after entering I had to close it and fix it in its place firmly with cement, which, when I wished to quit the vessel, would have again to be removed. – Across the Zodiac by Percy Greg
  2. What do you suppose we've been doing all this cement construction along this gallery for the last couple of shifts? – The Boy With the U.S. Miners by Francis Rolt-Wheeler
  3. And this regret had, in the end, led him to try and cement that arrangement in the second generation. – The Settling of the Sage by Hal G. Evarts