Search Result for "quadrennium": 
Wordnet 3.0

NOUN (1)

1. a period of four years;


The Collaborative International Dictionary of English v.0.48:

Quadrennium \Quad*ren"ni*um\, n. [NL. See Quadrennial.] A space or period of four years. [1913 Webster]
WordNet (r) 3.0 (2006):

quadrennium n 1: a period of four years