also Mid-At·lan·tic States M0280500 (mĭd′ăt-lăn′tĭk) A region of the eastern United States including New York, Pennsylvania, New Jersey, and usually Delaware and Maryland.
Middle Atlantic States
or
Middle States
pl n (Placename) the states of New York, Pennsylvania, and New Jersey
Mid′dle Atlan′tic States′
n.pl. New York, New Jersey, and Pennsylvania. ThesaurusSeeMid-Atlantic states