(during World War II) the code name for a unit of US army engineers established in 1942 to construct secret sites for the development of the atomic bomb
Also called: Manhattan Project
Manhattan District in American English
a division of the U.S. Army Corps of Engineers, established in 1942, and assigned the project (Manhattan Project) of producing the atomic bomb
Examples of 'Manhattan District' in a sentence
Manhattan District
"This is Detective Thomas Deacon of the Manhattan District Attorney's Office," a deep voice said.