fouly a Cp OED foul 6 c foul bottom naut; EDD 11 (3) foul-ground.
Rough or rocky condition of the sea-bed, harmful to fishing nets.
T 80/3-64 You couldn't haul trap theretear un up, see; fouly
bottom. He had a spurt first heavin' down th' rocks; he hove down tons an' tons o'
ballast: made it a bit better but 'twas still hooky an' fouly. P 13-74 We can't set out
nets 'ere, b'y, the bottom is too fouly.