The term 'Land of the Shamrock' is a nickname for the country of IRELAND. This nickname is often used to refer to the country due to its association with the shamrock, which is a symbol of IRELAND. The crossword solutions for this term are EIRE (4 letters), ERIN (4 letters), and IRELAND (7 letters). EIRE and ERIN are both alternate spellings of the same word, which is the Irish Gaelic name for IRELAND. IRELAND is the English name for the country.