A short jacket or fitted bodice, particularly a woman's garment popular in the 18th century, combining corset structure with jacket styling.
From French casaquin, a diminutive form of casaque (jacket), formed with the suffix -in, creating a word meaning 'little casaque' or fitted short jacket.
The casaquin shows how women's fashion was about control and structure—it combined the rigid boning of a corset with jacket styling, meaning 18th-century women wore engineering projects just to look elegant and fashionable.
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