rare. [f. L. lūmin-, lūmen light + -ARY.] Pertaining to light.

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1794.  G. Adams, Nat. & Exp. Philos., II. xxi. 416. Without the influence of light, vegetables would … be deprived of their beautiful shades by the interception of the luminary fluid.

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1889.  Anthony’s Photogr. Bull., II. 399. While the so-called cirri or land clouds have an average height of 13 kilometres, the luminary night clouds float at a height of 75 kilometres.

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