Saturday Word: Coterminous

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Today's word is brought to you by conuly 
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Coterminous, adj.

1: having the same or coincident (see coincident sense 2) boundaries

a voting district coterminous with the city

2: coextensive in scope or duration

… an experience of life coterminous with the years of his father.

—Elizabeth Hardwick

Examples:

Massachusetts' Nantucket County isn't quite coterminous with the island of the same name, as the county includes two small nearby islets.
Recent Examples on the Web This is a common attitude in competitive Duval County, which is coterminous with Jacksonville.

—Monica Potts, ABC News, 19 July 2024

Its onset in the late 16th century was particularly noticeable in Anatolia, a largely rural region that once formed the heartland of the Ottoman Empire and is roughly coterminous with modern-day Turkey.

— Andrea Duffy, The Conversation, 7 June 2021


First Known Use

1799, in the meaning defined at sense 1