perionychium

noun peri·onych·i·um \ˌper-ē-ō-ˈni-kē-əm\

plural peri·onych·ia\-kē-ə\

Definition of PERIONYCHIUM

: the tissue bordering the root and sides of a fingernail or toenail

New Latin, from peri- + Greek onych-, onyx nail — more at nail

First Known Use: circa 1879

Medical Dictionary

noun peri·onych·i·um \ˌper-ē-ō-ˈnik-ē-əm\

plural peri·onych·ia \-ē-ə\

: the tissue bordering the root and sides of a fingernail or toenail

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