Definition of irish republic:
(N) :
The (or ) a revolutionary state that declared its independence from the United Kingdom in January 1919.
(N) :
The Irish Republic of 1798, more commonly known as the Republic of Connacht, was a short-lived state proclaimed during the Irish Rebellion of 1798 that resulted from the French Revolutionary Wars.
(N) :
a revolutionary state in Ireland between 1919 and 1922.