Definify.com
Webster 1913 Edition
Americanism
A-mer′i-can-ism
,Noun.
1.
Attachment to the United States.
2.
A custom peculiar to the United States or to America; an American characteristic or idea.
3.
A word or phrase peculiar to the United States.
Webster 1828 Edition
Americanism
AMER'ICANISM
,Noun.