Emily Dickinson Lexicon

LUSTRE, or LUSTER, n. [Fr. lustre; L. lustrum; It. lustro; from L. lustro, to purify; Dan. lys, light; lyser, to shine; Sw. lysa; D. luster, splendor; Ir. lasadh, laisaim, leosam, to give light, to burn; leos, light.]

1. Brightness; splendor; gloss; as, the luster of the sun or stars; the luster of silk. The sun's mild luster warms the vital air. – Pope.
2. The splendor of birth, of deeds or of fame; renown; distinction. His ancestors continued about four hundred years, rather without obscurity than with any great share of luster. – Wotten.
3. A sconce with lights; a branched candlestick of glass. – Pope. Encyc.
4. The space of five years. [L. lustrum.] – Bolingbroke.