wrack

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Destruction or ruin.
2. n. A remnant or vestige of something destroyed.
3. n. Wreckage, especially of a ship cast ashore.
4. n. Chiefly British Violent destruction of a building or vehicle.
5. n. Dried seaweed.
6. n. Marine vegetation, especially kelp.
7. v. To cause the ruin of; wreck.
8. v. To be wrecked.

Century Dictionary and Cyclopedia

1. n. That which is cast ashore by the waves. Specifically
2. n. The destruction of a ship by winds or rocks or by the force of the waves; shipwreck. See wreck.
3. n. Destruction; ruin.
4. To destroy; make shipwreck of; wreck.
5. n. A variant of rack.
6. An obsolete misspelling of rack.

Wiktionary

1. n. archaic or literary revenge, persecution
2. n. archaic, except in dialects ruin, destruction
3. n. the remains; a wreck
4. n. archaic remnant from a shipwreck as washed ashore, or the right to claim such items
5. n. any marine vegetation cast up on shore, especially seaweed of the genus Fucus
6. n. weeds, vegetation or rubbish floating on a river or pond
7. n. A high, flying clouds; a rack
8. v. transitive to wreck, especially a ship (usually in passive)
9. v. Alternative form of rack, to cause to suffer pain etc.

GNU Webster's 1913

1. n. A thin, flying cloud; a rack.
2. v. rare To rack; to torment.
3. n. obsolete Wreck; ruin; destruction.
4. n. Any marine vegetation cast up on the shore, especially plants of the genera Fucus, Laminaria, and Zostera, which are most abundant on northern shores.
5. n. (Bot.) Coarse seaweed of any kind.
6. v. obsolete To wreck.

WordNet 3.0

1. n. the destruction or collapse of something
2. n. dried seaweed especially that cast ashore
3. n. growth of marine vegetation especially of the large forms such as rockweeds and kelp
4. v. smash or break forcefully