subs. (common).—A hat. [Derivation unknown.] Sometimes written CADEY and CADDY. For synonyms, see GOLGOTHA.

1

  1886.  JERVIS, The A. B. C. of a New Dictionary of Flash, Cant, Slang, etc., p. 85. CADDY: a man’s hat.

2

  1887.  Walford’s Antiquarian, April, p. 251.

        Sixpence I gave for my CADEY,
A penny I gave for my stick.

3