U.S. Navy. a dark-blue, knitted woolen cap with a turned-up cuff worn by enlisted personnel on duty in cold weather.
any wool or woollike cap resembling this and sold commercially in various colors.
The Irritating History Of ALL CAPSHow did THIS become code for shouting in the first place? Should we decapitate caps altogether, or is there a place for it in our hearts and on our screens?
Origin of watch cap
First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for watch cap
a knitted navy-blue woollen cap worn by seamen in cold weather
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