Fishing on the Severn Estuary

Question

Answer 1

Does "lave" have another meaning locally? 

Or does it just mean where the sea laves (i.e., washes) the shore?

Answer 2

I think you have it.

I can’t find anything that suggests otherwise.

Answer 3

I looked in several dictionaries, and found this in the Cambridge Dictionary:

lave (adjective)

large and droopy (in American usage, but said of ears in British usage}

Maybe applies to the nets of the Severn Estuary?

Answer 4

Could do.

Answer 5

Now I’m Tink!

I found this

Answer 6

Does "lave" have another meaning in this context, or does it just mean fishing that is done where the sea washes the shore?