wrack

nouns

dried seaweed especially that cast ashore
wrack
is a type of (narrower)
plant growing in the sea, especially marine algae
seaweed
the destruction or collapse of something
"wrack and ruin"
rack, wrack
growth of marine vegetation especially of the large forms such as rockweeds and kelp
sea wrack, wrack

verbs

smash or break forcefully
"The kid busted up the car"
bust up, wrack, wreck