retired or honorably discharged from active professional duty, but retaining the title of one's office or position: dean emeritus of the graduate school; editor in chief emeritus.
noun
2.
an emeritus professor, minister, etc.
Origin: 1785–95; < Latinēmeritus having fully earned (past participle of ēmerēre), equivalent to ē-e-1 + meri- earn + -tus past participle suffix
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a gadget; dingus; thingumbob.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
c.1600, from L. emeritus "veteran soldier who has served his time," pp. of emerere "serve out, complete one's service," from ex- "out" + merere "to serve, earn." First used of retired professors 1794 in Amer.Eng.