e ‧ mer ‧ i ‧ tus /ɪˈmerɪtəs/ BrE AmE adjective
[ Date: 1600-1700 ; Language: Latin ; Origin: past participle of emereri 'to serve one's full time, earn, deserve' ]
emeritus professor/director etc or professor/director etc emeritus a ↑ professor , director etc who is no longer working but has kept his or her previous job title as an honour