noun
: a visorless folding textile cap worn as part of a military uniform
all officers wear grade insignia on the left side of garrison caps — National Geographic
— compare service cap
noun
: a visorless folding textile cap worn as part of a military uniform
all officers wear grade insignia on the left side of garrison caps — National Geographic
— compare service cap
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012