a. and sb. [L. ēmeritus that has served his time (said of a soldier), pa pple. of ēmerēri (see EMERIT v.) to earn (one’s discharge) by service.]

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  A.  adj. Honorably discharged from service; chiefly in mod.L. phrase emeritus professor, the title given to a university professor who has retired from the office.

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1823.  De Quincey, Lett. on Educ., V. (1860), 102. An emeritus Professor of Moral Philosophy.

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1870.  Lowell, Study Wind. (1886), 86. He would not claim to be emeritus.

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1874.  Morley, Compromise (1886), 140. When Reason may possibly have no more to discover for us in the region of morals … and so will have become emeritus.

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  B.  sb. One who has retired or been discharged from active service or occupation.

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In mod. Dicts.

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