wrack

(noun) dried seaweed especially that cast ashore.

(noun) the destruction or collapse of something. Synonyms: rack. Example: "Wrack and ruin."

(noun) growth of marine vegetation especially of the large forms such as rockweeds and kelp. Synonyms: sea wrack.

(verb) smash or break forcefully. Synonyms: bust up, wreck. Example: "The kid busted up the car."