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Webster 1913 Edition

Isthmus

Isth′mus

(?; 277)
,
Noun.
;
pl.
Isthmuses
(#)
.
[L.
isthmus
, Gr.
ἰσθμόσ
a neck, a neck of land between two seas, an isthmus, especially the Isthmus of Corinth; prob. from the root of
ἰέναι
to go; cf. Icel.
eið
isthmus. See
Issue
.]
(Geog.)
A neck or narrow slip of land by which two continents are connected, or by which a peninsula is united to the mainland;
as, the
Isthmus
of Panama; the
Isthmus
of Suez, etc.
Isthmus of the fauces
.
(Anat.)
See
Fauces
.

Webster 1828 Edition

Isthmus

ISTHMUS

,
Noun.
ist'mus. [L.] A neck or narrow slip of land by which two continents are connected, or by which a peninsula is united to the mainland. Such is the Neck, so called,which connects Boston with the main land at Roxbury. But the word is applied to land of considerable extent, between seas; as the isthmus of Darien, which connects North and South America,and the isthmus between the Euxine and Caspian seas.

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