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ulnare

noun
ul·​nare | \ ˌəlˈna(a)rē, -ˈnärē\
variants: or ulnar \ ˈəlnə(r) \
plural ulnaria\ -​a(a)rēə, -​ärēə \ or ulnars

Definition of ulnare 

1 : the third carpal bone or element of the proximal row counting from the radial side specifically : cuneiform sense 1b
2 or ulnar carpal : a bone of a bird probably representing the ulnare and centrale and sometimes also the fifth metacarpal

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History and Etymology for ulnare

New Latin ulnare, from neuter of ulnaris ulnar

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