selegiline
se·leg·i·line
noun \si-ˈlej-ə-ˌlēn\Definition of SELEGILINE
: the levorotatory form of the monoamine oxidase inhibitor deprenyl that is administered in the form of its hydrochloride C13H17N·HCl as an adjuvant to therapy using the combination of L-dopa and carbidopa in the treatment of Parkinson's disease and is sometimes used alone to treat endogenous depression or to treat dementia associated with Alzheimer's disease
Seen & Heard 
What made you want to look up selegiline? Please tell us where you read or heard it (including the quote, if possible).
