relic area

American

noun

Linguistics.

(in dialect geography) an area isolated from the influences of any focal area and preserving older linguistic forms that have been lost in other regions.

First recorded in 1950–55

Spin the wheel and learn a new word!

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023