pin‧a‧fore /ˈpɪnəfɔː $ -fɔːr/ noun [countable]
[Date: 1700-1800; Origin: pin + afore 'in front' ( ⇒ aforementioned)]

1. (also ˈpinafore ˌdress British English) a dress that does not cover your arms and under which you wear a shirt or blouse Synonym : jumper American English

2. (also pinny British English informal) a loose piece of clothing that does not cover your arms, worn over your clothes to keep them clean ⇒ apron

[TahlilGaran] Dictionary of Contemporary English ▲