Definition of "lustre"

lustre¹

/ˈlʌstə/

noun
countable and uncountable, plural lustres
1. (British spelling) Alternative form of luster (shine, etc.)
2. (geology) The way in which the surface of any particular type of mineral reflects light differently from other minerals, which is helpful in telling minerals apart.
3. A glass ornament such as a prism or cut glass dangling beneath a chandelier; usually in clusters or festoons.
  Quotations
  ...he went out through the unfamiliar hall, setting the chandelier clashing its dusty lustres with his hand, leaving a prismatic jangle behind him in the empty house.
  2013, Shena Mackay, Redhill Rococo
4. (dated) A chandelier, particularly one decorated with glass lustres.
  Quotations
  In the centre is painted an eagle, from whose beak an elegant glass lustre chandelier is suspended. There are also ten smaller chandeliers in different parts of the room.
  1838, John Henry Brady, A new pocket guide to London and its environs‎
  On the ground floor, the library (a room in carved oak) is lighted by a lustre composed of twelve regenerative burners enclosed in tinted glasses.
  1889, anonymous author, The Journal of Gas Lighting, Water Supply & Sanitary Improvement‎
verb
third-person singular simple present lustres, present participle lustring, simple past and past participle lustred
1. (British spelling) Alternative form of luster

lustre²

/ˈlʌstə/

noun
plural lustres
1. (British spelling) Alternative form of luster: A 5-year period, especially (historical) in Roman contexts.

lustre³

/ˈlʌstə/

noun
plural lustres
1. (British spelling, obsolete) Alternative form of luster: a den, a dwelling-place in a wilderness, especially for animals.