rostrocarinate

American

[ros-troh-kar-uh-nayt, -nit] / ˌrɒs troʊˈkær əˌneɪt, -nɪt /

noun

a chipped flint with a beaklike shape found in the late Tertiary sediments of Suffolk, England, once thought to have been worked by humans but now known to have been shaped by natural nonhuman agencies.

1950–55; rostro- (combining form representing Latin rōstrum rostrum ) + carinate

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