quadrennial
a. (பெ) நான்கு ஆண்டுகட்கு ஒருமுறை நடைபெறுகி; நான்காண்டுகள் நீடிக்கிற.
Quad*ren"ni*al, a. Etym: [L. quadriennium a space of four years; quattuor four + annus year; cf. L. quadriennis. See Quadrate, and Annual.] 1. Comprising four years; as, a quadrennial period. 2. Occurring once in four years, or at the end of every four years; as, quadrennial games.