Merriam-Webster Definition
Main Entry: 1emer·i·tus Listen to the pronunciation of 1emeritus
Pronunciation: \i-ˈmer-ə-təs\
Function: noun Inflected
Form(s): plural emer·i·ti Listen to the pronunciation of emeriti \-ə-ˌtī, -ˌtē\
Date: 1750
: one retired from professional life but permitted to retain as an honorary title the rank of the last office held
*Emeritus does not imply that the person must be retired from all duties of his or her previous title, nor does it imply that the person is engaged in the duties of his or her previous title.