C.T.C. Cyclists' Touring Club.
Cu., cuprum=Copper.
cu., cub. Cubic.
cur., curt. Current—this month.
C.V. Common Version.
C.V.O. Commander of the Royal Victorian Order.
C.W. Canada West.
c.w.o. Cash with order.
cwt. A hundredweight—c for centum, a hundred, and wt for weight.
Cyc., Cyclo. Cyclopædia.