- (also pinafore dress)(both especially British English)(North American English usually jumper)
a loose dress without sleeves (= arms), usually worn over a blouse or sweater 无袖女装（通常套在衬衣或针织套衫外面）；围裙装 - (old-fashioned) (also informal pinny)(both British English)
a long loose piece of clothing without sleeves (= arms), worn by women over the front of their clothes to keep them clean, for example when cooking （女用）围裙 a loose piece of clothing like a dress without sleeves (= arms), worn by children over their clothes to keep them clean, or by young girls over a dress （小孩）围裙，围嘴；（女孩的）连胸围裙
Word Originlate 18th cent.: from pin + afore ‘before’ (because the term originally denoted an apron with a bib pinned on the front of a dress).