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prepollex

American  
[pri-pol-eks] / prɪˈpɒl ɛks /

noun

plural

prepollices

  1. a rudimentary additional digit on the preaxial side of the thumb of certain amphibians and mammals.

Etymology

Origin of prepollex

From New Latin, dating back to 1885–90; pre-, pollex

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.