noun
the eastern seaboard of the United States (especially the strip between Boston and Washington D.C.)
• Instance Hypernyms: ↑geographical area, ↑geographic area, ↑geographical region, ↑geographic region
• Part Holonyms: ↑East, ↑eastern United States
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the region of the U.S. bordering on the Atlantic Ocean.
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n. the eastern seaboard of the U.S., esp. the narrow corridor from Boston to Washington, DC
Useful english dictionary. 2012.