American Dictionary

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Definition Uncle Sam in American English

Uncle Sam noun

noun
/ˌʌŋk(ə)l ˈsæm/

The figure of Uncle Sam has been used, especially in the past, as a national symbol of the U.S. He is usually shown as a man with a white beard and a big hat, wearing clothes in the colors of the U.S. flag. The expression comes from the abbreviation “U.S.”

1

a way of referring to the U.S. or the U.S. government

Synonyms and related words
Definition Uncle Sam in American English