manhattan : Idioms & Phrases
manhattan clam chowder
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noun a chowder made with clams and tomatoes and other vegetables and seasonings
WordNet
manhattan island
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noun an island at the north end of New York Bay where the borough of Manhattan is located
WordNet
manhattan project
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noun a former United States executive agency that was responsible for developing atomic bombs during World War II
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noun code name for the secret United States project set up in 1942 to develop atomic bombs for use in World War II