'Quadrennial' definitions:
Definition of 'Quadrennial'
From: GCIDE
- Quadrennial \Quad*ren"ni*al\, a. [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. [1913 Webster]
- 2. Occurring once in four years, or at the end of every four years; as, quadrennial games. [1913 Webster]