The caubeen n is an Irish beret, formerly worn by peasants. It has been adopted as the head dress of Irish regiments of the British and Commonwealth armies. ==Name== The name `caubeen` dates from late 18th century Irish, and literally means `old hat`. It is derived from the Irish word cáibín, meaning `little cape`, which itself is a diminu... Found on http://en.wikipedia.org/wiki/Caubeen