a wedge-shaped cap of cotton or woolen fabric, worn as part of the service uniform.
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?
Also called flight cap, garrison cap.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019