quinquennial adjective.
[kwɪŋ'kwɛnɪǝl] L15.[from Latin quinquennis, from quinque five + annus year + -AL1. Cf. ANNUAL.]1. Lasting, esp. holding office, for five years.
L15.b. Consisting of five years.
M19.2. Occurring every five years.
E17. ■ quinquennially adverb every five years
E19. [TahlilGaran] English Dictionary ▲