n.
A sleeveless garment similar to an apron, worn especially by small girls as a dress or an overdress.
[PIN + AFORE (so called because formerly pinned to the front of the dress).]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.