ENGLISH
REFERENCE

isthmus

n. countable
C2 Proficiency US //ˈɪsməs// UK //ˈɪsθməs// isth·mus

n. a narrow strip of land that connects two larger areas of land and has water on both sides. It is like a bridge between two continents or islands.

n. a narrow strip of land connecting two larger landmasses and having water on either side. In a botanical context, it refers to the stalk-like structure that connects a flower to its stem.


SIMPLE

The Panama Canal runs through the narrow isthmus of Panama.

CONTEXTUAL

The isthmus of Corinth in Greece connects the Peloponnese peninsula to the mainland, historically serving as a vital trade route.

COMPLEX

Geologists study how the uplift of the Isthmus of Panama fundamentally altered ocean currents and climate patterns by separating the Atlantic and Pacific oceans millions of years ago.

Synonyms
Origin

Borrowing from Latin isthmus (“a strip of land between two seas”), from Ancient Greek ῐ̓σθμός (ĭsthmós, “neck, narrow passage”), possibly from εἶμῐ (eîmĭ, “to go”). Cognate to Old Norse eið (“isthmus”).

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