pinafore

 
Pronunciation: /ˈpɪnəfɔː/

noun

  • (also British pinafore dress) a collarless sleeveless dress worn over a blouse or jumper.
  • a woman’s loose sleeveless garment, typically full length and worn over clothes to keep them clean.
  • a sleeveless apron-like garment worn over a young girl’s dress, typically having ties or buttons at the back.

Origin:

late 18th century: from pin + afore (because the term originally denoted an apron with a bib pinned on the front of a dress)