Illuminator
Pronunciation : Il*lu"mi*na`tor
Part of Speech : n.
Etymology : [L., an enlightener, LL. also, an illuminator of books.]
Definition : 1. One whose occupation is to adorn books, especially manuscripts, with miniatures, borders, etc. See Illuminate, v. t., 3.
2. A condenser or reflector of light in optical apparatus; also, an illuminant.
Source : Webster's Unabridged Dictionary, 1913