(dated) Any of several forms of women’s divided garment for the lower body.
1917, Edna Ferber, Fanny Herself:
Fanny, knowing this, had made up her mind to go straight to Horn & Udell. Now, Horn & Udell are responsible for the bloomers your small daughter wears under her play frock, in place of the troublesome and extravagant petticoat of the old days.
c.1920, Kathleen Thompson Norris, Sisters:
Moreover, the family realized perfectly that Alix would have clipped her thick hair, and taken to bloomers or knickerbockers outright, […]
1920, Sinclair Lewis, chapter I, in Main Street: The Story of Carol Kennicott, New York, N.Y.: Harcourt, Brace and Howe, →OCLC: