Baretti: A dictionary of the English and Italian languages
Lustrá-re, v. a.
1. to illustrate, illuminate, make bright, to lighten, give light; 2. to look all round; 3. to discover; 4. to polish, make clear or bright, to burnish; v. n. to shine, to make a good appearance, s. m. Lustrá-tóre, f. Lustrá-tríce; adj.Lustrá-nte .
Florio: a worlde of wordes, or most copious, dictionarie in Italian and English
lustrare: to giue a lustre or glasse vnto. Also to shine bright, to burnish, to sleeke paper. Also to purge, to cleanse or prune. Also to purge or expiate by way of Sacrifices, as in ancient times they were wont to doe euery fiue yeeres.