noun Etymology: Latin, from Greek isthmos Date: 1555 a narrow strip of land connecting two larger land areas, a narrow anatomical part or passage connecting two larger structures or cavities
ISTHMUS
Meaning of ISTHMUS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012