I. ˈyaŋ-kē noun
Etymology: origin unknown
Date: 1758
1.
a. : a native or inhabitant of New England
b. : a native or inhabitant of the northern United States
2. : a native or inhabitant of the United States
• Yan·kee·dom -kē-dəm noun
• Yan·kee·ism -kē-ˌi-zəm noun
II.
Date: 1952
— a communications code word for the letter y