Noun
an edible tuber native to South America; a staple food of Ireland
Source: WordNetShaw said that Irish potato production in Manchester North East communities like Christiana had suffered under the drought. Source: Internet
The Irish potato famine of the 1840s was caused by a plant disease that reached the Highlands in 1846, where 150,000 people faced disaster because their food supply was largely potatoes (with a little herring, oatmeal and milk). Source: Internet