D defs.my
Entry 1 sense Webster, 1913

Billycock

· Bil·ly·cock · IPA
01 n. A round, low-crowned felt hat; a wideawake.
  1. 1.
    A round, low-crowned felt hat; a wideawake.
    “Little acquiesced, and Ransome disguised him in a beard, and a loose set of clothes, and a billicock hat.” — Charles Reade.