luminary [ loo-muh-ner-ee ]
noun, plural lu·mi·nar·ies.
1. a celestial body, as the sun or moon.
2. a body, object, etc., that gives light.
3. a person who has attained eminence in his or her field or is an inspiration to others: one of the luminaries in the field of medical science.
4. of, relating to, or characterized by light.
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Origin: 1400–50; late Middle English luminarye < Medieval Latin lūmināria lamp. See luminaria
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