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Definition of Great-aunt
1. Noun. An aunt of your father or mother. 
Definition of Great-aunt
1. Noun. The sister or sister-in-law of one’s grandparent, aunt of one’s parent. ¹
¹ Source: wiktionary.com
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1. Noun. An aunt of your father or mother. 
1. Noun. The sister or sister-in-law of one’s grandparent, aunt of one’s parent. ¹
¹ Source: wiktionary.com