From Longman Dictionary of Contemporary Englishcrinolinecrin‧o‧line /ˈkrɪnəlɪn/ noun [countable] DCCa round frame that was worn in the past under a woman’s skirt to support it and hold it away from her body
Examples from the Corpus
crinoline• If only I had a crinoline to sweep down the grand staircase in!• I looked just like a crinoline lady.• There was a description of her fine crinoline gown and of the Grenfell emeralds she had worn.• Couples strolled in the afternoon sunshine, the ladies in crinolines, the men in stiff three-piece suits.• They changed their minds when the dangerously revealing crinoline arrived.Origin crinoline (1800-1900) French Italian crinolino, from crino “horsehair” + lino “linen” 