isthmus
/ˈɪsməs/
noun
- A narrow strip of land with water on both sides, connecting two larger land areas.
- Many ancient cities were built on isthmuses to control trade routes.
- They built a road across the isthmus to shorten the travel time between the two coasts.
- The Isthmus of Panama connects North and South America.
- A narrow part or passage connecting two larger structures, especially in anatomy (e.g., a narrow part of an organ).
- In anatomy class, we studied the isthmus of the fallopian tube.
- The surgeon carefully examined the isthmus of the uterus.
- The isthmus of the thyroid gland connects its two lobes.