n. & adj.
n. (pl. -ies) 1 a five-hundredth anniversary. 2 a festival marking this.
adj. of this anniversary. quincentennial adj. & n.
[ irreg. f. L quinque five + CENTENARY ]
n. & adj.
n. (pl. -ies) 1 a five-hundredth anniversary. 2 a festival marking this.
adj. of this anniversary. quincentennial adj. & n.
[ irreg. f. L quinque five + CENTENARY ]
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012