pilonidal

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adjective pi·lo·ni·dal \ˌpī-lə-ˈnī-dəl\

Definition of pilonidal

  1. :  of, relating to, or being a hair-containing cyst of the skin in the lower-back region near the upper crease of the buttocks

Origin and Etymology of pilonidal

Latin pilus hair + nidus nest


First Known Use: 1880


Medical Dictionary

pilonidal

play
adjective pi·lo·ni·dal \ˌpī-lə-ˈnīd-əl\

Medical Definition of pilonidal

  1. 1:  containing hair nested in a cyst—used of congenitally anomalous cysts in the sacrococcygeal area that often become infected and discharge through a channel near the anus

  2. 2:  of, relating to, involving, or for use on pilonidal cysts, tracts, or sinuses


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