What does the word crash mean?

Usage examples for crash

  1. The gate went over upon the ground with a crash, and one jump carried the man out of the trap. – Winter Fun by William O. Stoddard
  2. Just when it looked as though success was assured, the crash came. – Jane Cable by George Barr McCutcheon
  3. And the pushpot is going to crash when that tank, and only that tank, is used! – Space Platform by Murray Leinster