The definition of emeritus is someone who once held a position or office and who, although not required, is allowed to keep his title.(adjective)
An example of emeritus is a professor of mathematics who retired but who gets to keep his title as a professor. He would be called an Emeritus Professor.
See emeritus in Webster's New World College Dictionary
Origin: L, pp. of emereri, to serve out one's time < e-, out + mereri, to serve, earn, merit
noun pl. emeriti
See emeritus in American Heritage Dictionary 4
Origin: Latin ēmeritus
Origin: , past participle of ēmerērī, to earn by service
Origin: : ē-, ex-, from; see ex-
Origin: + merērī, to deserve, earn; see (s)mer-2 in Indo-European roots.
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