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Children's Dictionary

Uncle Sam

uhng kl saem
part of speech: noun
definition 1: a cartoon person that represents the government or people of the United States. Uncle Sam is a tall, thin man with a beard, top hat, and trousers that have red and white stripes.
Posters with a picture of Uncle Sam have been used to recruit soldiers for the U.S. Army.
definition 2: the U.S. government or people.
During World War II, many women worked in factories to help out Uncle Sam.