pilonidal

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

Definition of pilonidal

: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


Medical Dictionary

pilonidal

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

medical Definition of pilonidal

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

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