PISIFORM
pisiform, pisiform bone, os pisiforme
(noun) a small wrist bone that articulates only with the triquetral
Source: WordNet® 3.1
Etymology
Adjective
pisiform (comparative more pisiform, superlative most pisiform)
Resembling a pea or peas in size and shape
Noun
pisiform (plural pisiforms)
A small bone in the wrist at the junction of the ulna and the carpus
Synonyms
• pisiform bone
Source: Wiktionary
Pi"si*form, a. Etym: [L. pisum a pea + -form: cf. F. pisiforme.]
Definition: Resembling a pea or peas in size and shape; as, a pisiform iron
ore.
Pi"si*form, n. (Anat.)
Definition: A small bone on the ulnar side of the carpus in man and many
mammals. See Illust. of Artiodactyla.
Source: Webster’s Unabridged Dictionary 1913 Edition