pollex

noun
pol·​lex | \ˈpä-ˌleks \
plural pollices\ ˈpä-​lə-​ˌsēz \

Definition of pollex 

: the first digit of the forelimb : thumb

First Known Use of pollex

1702, in the meaning defined above

History and Etymology for pollex

New Latin pollic-, pollex, from Latin, thumb, big toe

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The first known use of pollex was in 1702

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pollex

noun
pol·​lex | \ˈpäl-ˌeks \
plural pollices\ ˈpäl-​ə-​ˌsēz \

Medical Definition of pollex 

: the first digit of the forelimb : thumb

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