SEPTCENTENARY
Meaning of SEPTCENTENARY in English
[ ˌsɛp(t)sɛn'ti:n(ə)ri , -'tɛn- ]
■ noun ( plural septcentenaries ) the seven-hundredth anniversary of a significant event.
Concise Oxford English vocab.
Сжатый оксфордский словарь английского языка.
2004