a hat brim that can be turned up or down.
Also called snap-brim hat. a man's fedora, usually of felt and often worn with the brim turned up in back and down in front.
Origin of snap brim
First recorded in 1905–10
Related formssnap-brim, snap-brimmed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019