Is “Lustra” a Scrabble word?
Yes
LUSTRA
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Lustra
noun
1.A ceremonial purification of all the people, performed every five years after the taking of the census; a lustration.
2.(by extension) A period of five years.
Synonyms: luster, lustre, quinquennium