what is an isthmus?
An isthmus is a land bridge bordered on both sides by water that connects two larger bodies of land. A narrow strip of land with sea on either side. (dictionary.com) An Isthmus is a narrow strip of land connecting two larger land areas usually with water on either side. Of note, the Isthmus of Corinth connects the peninsula of Peloponnese with the rest of the Greek peninsula, the Isthmus of Panama connects the continents of North and South America (the Americas), and the Isthmus of Suez in Egypt connects Africa and Asia (or Eurasia).