a short, close-fitting jacket, worn by women and children in the early 19th century (19世纪早期女子和儿童穿的一种)短紧身夹克 ■a thin woollen vest, worn by women for extra warmth in winter (女子冬天保暖穿的)薄羊毛背心
语源
probably named after the second Earl Spencer (1758–1834), English politician