Webster's Revised Unabridged Dictionary · 1913

Pisiform

Pisiform , adjective

[Latin pisum a pea + -form: compare French pisiforme.]

Resembling a pea or peas in size and shape; as, a pisiform iron ore.

Pisiform , noun

(Anatomy) A small bone on the ulnar side of the carpus in man and many mammals. See Illust. of Artiodactyla.