bloomer

noun8

1. •
   A blooming flower.
2. •
   (figurative) One who blooms, matures, or develops.

   • She was a late bloomer.
3. •
   (informal) A large or embarrassing mistake; blunder.

   • What's more, I claim that Elmer's biggest mistake wasn't the one he made at Cedarville before six thousand witnesses. His prize bloomer was pulled in Hoboken before three witnesses — 1916
4. •
   [before a noun] Attributive form of bloomers.

   • It would have to be smuggled back to Josie’s bloomer drawer. He could persuade her to confirm his other ideas without letting her see that he had read her particularly private correspondence. — 1946
5. •
   (historical) A reform costume for women, consisting of a short dress with loose trousers gathered around the ankles, and often a broad-brimmed hat.

   • Unlike other women landing from the steamers, she was neither short-skirted nor bloomer-clad. She was dressed as any woman travelling anywhere would be dressed. — 1912
6. •
   A circular loaf of white bread.
7. •
   (historical) A woman who wears a Bloomer costume.
8. •
   An ironworker.