prepollex

[ pri-pol-eks ]
/ prɪˈpɒl ɛks /

noun, plural pre·pol·li·ces [pri-pol-uh-seez] /prɪˈpɒl əˌsiz/.

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

Origin of prepollex

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

Example sentences from the Web for prepollex