SEPTENNIAL


Meaning of SEPTENNIAL in English

[sep.ten.ni.al] adj [LL septennium period of seven years, fr. L septem + -ennium (as in biennium)] (1640) 1: occurring or being done every seven years

2: consisting of or lasting for seven years -- sep.ten.ni.al.ly adv

Merriam-Webster English vocab.      Английский словарь Merriam Webster.