Dictionary

¹pisiform

adjective pi·si·form \ˈpī-sə-ˌfȯrm\

Definition of PISIFORM

: resembling a pea in size or shape

Latin pisum pea + English -iform — more at pea

First Known Use: 1767

noun

: a bone on the ulnar side of the carpus in most mammals

circa 1771

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