Try Our Apps
Dictionary.com

follow Dictionary.com

Word of the Day
Saturday, January 30, 2016

Definitions for isthmus

  1. a narrow strip of land, bordered on both sides by water, connecting two larger bodies of land.
  2. Anatomy, Zoology. a connecting, usually narrow, part, organ, or passage, especially when joining structures or cavities larger than itself.
  3. Ichthyology. the narrow fleshy area between the sides of the lower jaw of a fish.

Learn something
new every day


GET OUR


Thank youfor signing up
Get the Word of the Day Email
Citations for isthmus
So I again kept to the open beaches as I made my way west, until I came to the town of Coátzacoálcos, what you now call Espíritu Santo, which was the terminus of the north-south trade route across the narrow isthmus of Tecuantépec. Gary Jennings, Aztec, 1980
As we approached the slim isthmus that connects Gotland to Furillen, he asked, “Is it time?” Ingrid K. Williams, “Going Off the Grid on a Swedish Island,” New York Times, July 10, 2015
Origin of isthmus
1545-1555
Isthmus entered English from Latin in the mid-1500s and ultimately derives from the Greek isthmós "neck of land."
Get our
Word of the Day
Email
Thanks for signing up!