Main Entry: Amer·i·can·ism

Pronunciation: \ə-ˈmer-ə-kə-ˌni-zəm, -ˈmər-, -ˈme-rə-\

Function: noun

Date: 1781

1 : a characteristic feature of American English especially as contrasted with British English
2 : attachment or allegiance to the traditions, interests, or ideals of the United States
3 a : a custom or trait peculiar to America b : the political principles and practices essential to American culture