Definition of pisiform in English:


Syllabification: pi·si·form
Pronunciation: /ˈpīsəˌfôrm
(also pisiform bone)


  • A small rounded carpal bone situated where the palm of the hand meets the outer edge of the wrist.
    More example sentences
    • The motor branch to the hypothenar muscles separates from the main ulnar nerve just distal to the pisiform at the wrist.
    • The nerve recombined also beyond the tendon and was subject to compression, proximal to the pisiform bone.
    • The flexor carpi ulnaris inserts on the pisiform.


mid 18th century: from modern Latin pisiformis 'pea-shaped', from pisum 'pea' + forma 'shape'.

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