D defs.my
Entry 1 sense Webster, 1913

Flat-cap

· Flat·-cap · IPA
01 n. A kind of low-crowned cap formerly worn by all classes in England, and continued in London after disuse elsewhere; -- hence, a citizen of London.
  1. 1.
    A kind of low-crowned cap formerly worn by all classes in England, and continued in London after disuse elsewhere; -- hence, a citizen of London.