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.
A board having a row of pins, set zigzag, between which wire is drawn to straighten it.
To separate, as grain from the chaff, with a riddle; to pass through a riddle; as, riddle wheat; to riddle coal or gravel.
To perforate so as to make like a riddle; to make many holes in; as, a house riddled with shot.
Something proposed to be solved by guessing or conjecture; a puzzling question; an ambiguous proposition; an enigma; hence, anything ambiguous or puzzling.
Russia is a riddle wrapped in a mystery inside an enigma. Winston Churchill
A writer is someone who can make a riddle out of an answer. Karl Kraus
Cause and effect, the riddle of all history, is a particular devil in financial history; and never more so than today, where entire classes of security are collapsing not on public exchanges and stock-tickers but because there are no markets to establish prices this side of nothing. James Buchan
It's like the riddle of the Sphinx... why are there so many great unmarried women, and no great unmarried men? Sarah Jessica Parker
It is to the Riddle of the Sphinx that I have devoted fifty years of professional life as an anthropologist. Gregory Bateson
