billycock

[ bil-ee-kok ]
/ ˈbɪl iˌkɒk /

noun Chiefly British Informal.

a derby or a hat resembling it.

Origin of billycock

1715–25; alteration of bullycocked (hat); see bully1, cock2, -ed2
Also called billycock hat.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for billycock

British Dictionary definitions for billycock

billycock

/ (ˈbɪlɪkɒk) /

noun

rare, mainly British any of several round-crowned brimmed hats of felt, such as the bowler

Word Origin for billycock

C19: named after William Coke, Englishman for whom it was first made
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012