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perionychium

American  
[per-ee-oh-nik-ee-uhm] / ˌpɛr i oʊˈnɪk i əm /

noun

Anatomy.

PLURAL

perionychia
  1. the epidermis surrounding the base and sides of a fingernail or toenail.


perionychium British  
/ ˌpɛrɪəʊˈnɪkɪəm /

noun

  1. the skin that surrounds a fingernail or toenail

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of perionychium

From New Latin, dating back to 1900–05; perionychia 1, -ium