Bladderwrack, for example (7)
I believe the answer is:
seaweed
(Other definitions for seaweed that I've seen before include "What's seen at the coast" , "what's been washed up" , "Tangle" , "Marine plant" , "What may be cast up on shore" .)
I believe the answer is:
seaweed
(Other definitions for seaweed that I've seen before include "What's seen at the coast" , "what's been washed up" , "Tangle" , "Marine plant" , "What may be cast up on shore" .)