dick·ey also dick·ie or dick·y 
(dĭkē)
(dĭkē)n. pl. dick·eys also dick·ies
1.
a. A woman's blouse front worn under a suit jacket or low-necked garment.
b. A man's detachable shirt front.
c. A collar for a shirt.
d. A child's bib or pinafore.
2. Chiefly British
a. The driver's seat on a carriage.
b. A rear seat for servants on a carriage.
[ From diminutive of Dick, nickname for Richard.]