septenarius

noun
sep·​te·​nar·​i·​us | \ ˌsep-tə-ˈner-ē-əs How to pronounce septenarius (audio) \
plural septenarii\ ˌsep-​tə-​ˈner-​ē-​ˌī How to pronounce septenarii (audio) , -​ē-​ˌē \

Definition of septenarius

: a verse consisting of seven feet especially in Latin prosody

First Known Use of septenarius

1819, in the meaning defined above

History and Etymology for septenarius

Latin, from septenarius of seven, from septeni seven each, from septem seven

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