isthmus
a narrow strip of land, bordered on both sides by water, connecting two larger bodies of land.
Anatomy, Zoology. a connecting, usually narrow, part, organ, or passage, especially when joining structures or cavities larger than itself.
Ichthyology. the narrow fleshy area between the sides of the lower jaw of a fish.
Origin of isthmus
1Other words from isthmus
- isthmoid, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
British Dictionary definitions for isthmus
/ (ˈɪsməs) /
a narrow strip of land connecting two relatively large land areas
anatomy
a narrow band of tissue connecting two larger parts of a structure
a narrow passage connecting two cavities
Origin of isthmus
1Derived forms of isthmus
- isthmoid, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for isthmus
[ ĭs′məs ]
A narrow strip of land connecting two larger masses of land.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for isthmus
[ (is-muhs) ]
A narrow strip of land that connects two larger bodies of land and has water on both sides.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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