crash

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A coarse, light, unevenly woven fabric of cotton or linen, used for towels and curtains.
• noun Starched reinforced fabric used to strengthen a book binding or the spine of a bound book.
• intransitive verb To break violently or noisily; smash.
• intransitive verb To undergo sudden damage or destruction on impact.
• intransitive verb To make a sudden loud noise.
• intransitive verb To move noisily or so as to cause damage.
• intransitive verb To undergo a sudden severe downturn, as a market or economy.
• intransitive verb Computers To stop functioning due to a crash.
• intransitive verb Slang To undergo a period of unpleasant feeling or depression as an aftereffect of drug-taking.
• intransitive verb To find temporary lodging or shelter, as for the night.
• intransitive verb To fall asleep from exhaustion.
• intransitive verb To cause to crash.
• intransitive verb To dash to pieces; smash.
• intransitive verb Informal To join or enter (a party, for example) without invitation.
• noun A sudden loud noise, as of an object breaking.
• noun A smashing to pieces.
• noun A collision, as between two automobiles. synonym: collision.
• noun A sudden severe downturn.
• noun A sudden failure of a hard drive caused by damaging contact between the head and the storage surface, often resulting in the loss of data on the drive.
• noun A sudden failure of a program or operating system, usually without serious consequences.
• noun Slang Mental depression after drug-taking.
• adjective Of or characterized by an intensive effort to produce or accomplish.
• idiom (crash and burn) To fail utterly.

from The Century Dictionary.

• To make a loud, clattering, complex sound, as of many solid things falling and breaking together; fall down or in pieces with such a noise.
• To cause to make a sudden, violent sound, as of breaking or dashing in pieces; dash down or break to pieces violently with a loud noise; dash or shiver with tumult and violence.
• noun A strong, coarse linen fabric used for toweling, for packing, and for dancing-cloths to cover carpets.
• noun A piece or covering of this material, as a dancing-cloth.
• noun A loud, harsh, multifarious sound, as of solid or heavy things falling and breaking together: as, the crash of a falling tree or a falling house, or any similar sound.
• noun A falling down or in pieces with a loud noise of breaking parts; hence, figuratively, destruction; breaking up; specifically, the failure of a commercial undertaking; financial ruin.
• noun A basket filled with fragments of pottery or glass, used in a theater to simulate the sound of the breaking of windows, crockery, etc.

from the GNU version of the Collaborative International Dictionary of English.

• transitive verb rare To break in pieces violently; to dash together with noise and violence.
• intransitive verb To make a loud, clattering sound, as of many things falling and breaking at once; to break in pieces with a harsh noise.
• intransitive verb To break with violence and noise.
• noun Coarse, heavy, narrow linen cloth, used esp. for towels.
• noun A loud, sudden, confused sound, as of many things falling and breaking at once.
• noun Ruin; failure; sudden breaking down, as of a business house or a commercial enterprise.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun fibre Plain linen.
• noun An automobile, airplane, or other vehicle accident.
• noun A computer malfunction that is caused by faulty software, and makes the system either partially or totally inoperable.
• noun A loud sound as made for example by cymbals.
• noun A sudden large decline of business or the prices of stocks (especially one that causes additional failures)
• noun A comedown of a drug.
• noun A group of rhinoceroses.
• noun dysphoria
• adjective quick, fast, intensive
• verb transitive To collide with something destructively, fall or come down violently.