1.a loud resonant repeating noise;
he could hear the clang of distant bells
2.a serious accident (usually involving one or more vehicles);
they are still investigating the crash of the TWA plane
3.a sudden large decline of business or the prices of stocks (especially one that causes additional failures)
4.the act of colliding with something;
his crash through the window
5.(computer science) an event that causes a computer system to become inoperative;
the crash occurred during a thunderstorm and the system has been down ever since
1.fall or come down violently;
The branch crashed down on my car
2.move with, or as if with, a crashing noise;
The car crashed through the glass door
3.undergo damage or destruction on impact;
the plane crashed into the ocean
4.move violently as through a barrier;
The terrorists crashed the gate
5.break violently or noisily; smash;
6.occupy, usually uninvited;
My son's friends crashed our house last weekend
7.enter uninvited; informal;
let's crash the party!
8.cause to crash;
The terrorists crashed the car into the gate of the palace
9.hurl or thrust violently;
He dashed the plate against the wall
10. undergo a sudden and severe downturn;
the economy crashed
11. stop operating;
My computer crashed last night
12. sleep in a convenient place;
You can crash here, though it's not very comfortable