a custom that is peculiar to the United States or its citizens
an expression peculiar to North American English, from an outsider's point-of-view
a word or phrase used commonly in America that has been more recently introduced into British English (for example), especially through the popular media of television and movies
A peculiar sense in which an English word or phrase is used in the United States.
A custom trait or thing peculiar to the United States of America or its citizens. A word phrase or other language feature peculiar to or characteristic of American English. Devotion to or preference for the United States and its institutions.
Americanisms are words and phrases that people living outside the United States believe to be characteristic of English as spoken or written in the United States, and which they generally view with some dismay.