[sep.te.nar.i.us] n, pl -nar.ii [L, fr. septenarius of seven, fr. septeni seven each, fr. septem seven] (1819): a verse consisting of seven feet esp. in Latin prosody
SEPTENARIUS
Meaning of SEPTENARIUS in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012