X

X ; letter X. (X only.) A written synonym of Cross, n., q.v.—2. A ten-dollar bill : U.S.A. : 1837 (D.A.E.) ; 1851, E. Z. C. Judson, The Mysteries and Miseries of New York, 4 About a double X, for paying the bail and my fees ' ; 1930, George London, Les Bandits de Chicago ; and later.