piriformis syndrome
noun
: sciatica that is caused by compression or irritation of the sciatic nerve by the piriformis muscle and is characterized by pain, tingling, and numbness in the buttocks often extending down the leg
Cite this Entry
“Piriformis syndrome.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/piriformis%20syndrome. Accessed 31 Oct. 2025.
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