septēnārĭus, a, um, adj. [septem],
containing seven , consisting of seven , septenary : numerus, the number seven , Plin. 11, 36, 43, § 120; Gell. 3, 10, 1 sq.; Macr. Somn. Scip. 1, 6: versus, consisting of seven feet , Diom. p. 514 P.; also absol. , a verse consisting of seven feet : cum tam bonos septenarios fundat ad tibiam, Cic. Tusc. 1, 44, 107: synthesis, a service of seven goblets , Mart. 4, 46, 15: fistula, of seven quadrants (or quarter-digits ) in diameter , Front. Aquaed. 25; 41.