| isthmus | a narrow band of tissue connecting two larger parts of an anatomical structure |
|---|---|
| isthmus | a relatively narrow strip of land (with water on both sides) connecting two larger land areas |
| isthmus | a narrow isthmus between the Gulf of Corinth and the Saronic Gulf |
| isthmus | a narrow isthmus linking the Malay Peninsula to the Asian mainland |
| isthmus | the isthmus that connects Central America and South America |
| isthmus | the isthmus in northeastern Egypt that connects Africa and Asia |
| isthmus | the narrowest part of southern Mexico is an isthmus between the Bay of Campeche on the north coast and the Gulf of Tehuantepec on the south coast |