1
: of or relating to the region of the U.S. that includes all or some of the states between New York and South Carolina
the Middle Atlantic region
2
: located in the middle of the Atlantic Ocean
: the region of the U.S. that includes all or some of the states between New York and South Carolina
moderate winters in the Middle Atlantic
Cite this Entry
“Middle Atlantic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Middle%20Atlantic. Accessed 31 Oct. 2025.
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