Long Island

geographical name

Definition of Long Island

  1. island 118 miles (190 kilometers) long between Long Island Sound and the Atlantic in southeastern New York state south of Connecticut area 1723 square miles (4462 square kilometers)

Long Islander

noun

LONG ISLAND Defined for English Language Learners

Long Island

geographical name

Definition of Long Island for English Language Learners

  • : island of the U.S., in New York

  • Long Island Sound : part of the Atlantic Ocean between the U.S. states of New York and Connecticut


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