noun A slang term for a United States Marine, derived from the term 'Leatherneck'
A slang term used to refer to a U.S. Marine
Historical reference to U.S. Marines during World War II
Informal term for a Marine or someone associated with the Marine Corps
In the military context, 'gyrene' is a slang term used to refer to a United States Marine.
In the field of psychology, 'gyrene' may not have a specific professional context unless used in a military psychology setting.