Wiktionary
jyotirlinga
n. (context Hinduism English) A shrine where Lord Shiva is worshipped in the form of a Jyotirlingam or "Lingam (pillar) of light." There are twelve traditional Jyotirlinga shrines in India.
Wikipedia
Jyotirlinga
A Jyotirlinga or Jyotirling or Jyotirlingam , ( Devnagari: ज्योतिर्लिंग), ( Kannada: ಜ್ಯೋತಿರ್ಲಿಂಗ), is a devotional object representing the Supreme God Shiva. Jyoti means 'radiance' and lingam the 'Image or Sign' of Shiva; Jyotir Lingam thus means the The Radiant Sign of The Almighty Siva. There are twelve traditional Jyotirlinga shrines in India, 6 of them in Maharashtra.