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rostrocarinate

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

noun

  1. 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.

Etymology

Origin of rostrocarinate

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

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.