laystall noun2 •(historical) A place where rubbish, dung, etc., are laid or deposited.Nor was the atmosphere improved by the habit of storing the scavengers' scourings or street slop in giant mounds or laystalls along the north bank of the Thames and on the edge of the town. — 2012 •(no longer used) A place where milk-giving cows are kept, or cattle on the way to market are lodged. formslaystalls