1) A type of sieve with coarse mesh, suited to a particular task.
1446 j whetridell, j bigridell, Durham
1563 on haver rydle, j wheit rydle, Knayton
1713 one weighbalk scales & riddle, Barnoldswick. They were used by colliers to separate small coal and rubbish: 1729 coal pit riddle 1s 6d, Horsforth
1761 1 day riddling and helping to pull, Tong. One such implement was described as a wire riddle in Tong in 1763.