WRACK

n.1 seaweed cast up or growing on the shore.

2 destruction.

3 a wreck or wreckage.

4 RACK(2).

5 RACK(5).

Etymology: ME f. MDu. wrak or MLG wra(c)k, a parallel formation to OE wr{aelig}c, rel. to wrecan WREAK: cf. WRECK, RACK(5)