Lus″terLus″tre (?), n. [L. lustrum: cf. F. lustre.] A period of five years; a lustrum.
Both of us have closed the tenth luster. Bolingbroke.
Webster's Dictionary 1913
Lus″terLus″tre (?), n. [L. lustrum: cf. F. lustre.] A period of five years; a lustrum.
Both of us have closed the tenth luster. Bolingbroke.