1) A sham shirt.
2) An ass. Roll your dickey; drive your ass. Also a seat for servants to sit behind a carriage, when their master drives.
·add. ·- The hedge sparrow. II. Dickey ·add. ·- One of various animals. III. Dickey ·add. ·- A <<D...
Webster's Dictionary of the English Language
An officer acting in commission. ♦ It's all dickey with him. It's all up with him. ...
The Sailor's Word-Book