subs. (rhyming slang).A policeman; a PEELER (q.v.).
1879. J. W. HORSLEY, Autobiography of a Thief, in Macmillans Magazine, XL. 502. A REELER came to the cell and cross-kidded (questioned) me.
1888. G. R. SIMS, A Plank Bed Ballad [Referee, 12 Feb.]. I guyed, but the REELER he gave me hot beef.