Rid″dle (?), n. [OE. ridil, AS. hridder; akin to G. reiter, L. cribrum, and to Gr. ��� to distinguish, separate, and G. rein clean. See Crisis, Certain.] 1. A sieve with coarse meshes, usually of wire, for separating coarser materials from finer, as chaff from grain, cinders from ashes, or gravel from sand.
2. A board having a row of pins, set zigzag, between which wire is drawn to straighten it.