Septenary, sep′te-nā-ri, adj. consisting of seven: lasting seven years: occurring once in seven years.—n.pl. Sep′tenaries, the number seven, the heptad. [L. septenarius—septem, seven.]
Septenate, sep′te-nāt, adj. (bot.) having seven parts.
Septennial, sep-ten′i-al, adj. lasting seven years: happening every seven years.—n. Septenn′ate, a period of seven years.—adv. Septenn′ially.—n. Septenn′ium.—Septennial Act, a statute of 1716 fixing the existence of a parliament at seven years. [L. septennis—septem, seven, annus, a year.]
Septentrion, sep-ten′tri-on, n. (Shak.) the north.—adjs. Septen′trion, -al, northern.—adv. Septen′trionally.—n.pl. Septentriō′nes, the constellation of the Great Bear, or the seven stars near the north pole-star, called Charles's Wain.
Septet, Septette, sep-tet′, n. a work for seven voices or instruments: a company of seven musicians.
Sept-foil, sept′-foil, n. a plant, the roots of which are used in medicine, tanning, &c.: a figure of seven equal segments of a circle used in the R.C. Church as a symbol of her seven sacraments, the seven gifts of the Holy Spirit, &c. [Fr. sept—L. septem, seven, foil—L. folium, a leaf.]
Septicemia, sep-ti-sē′mi-a, n. sepsis, blood-poisoning—also Septicæ′mia.—n. Sep′tic, a substance that promotes the putrefaction of bodies.—adjs. Sep′tic, -al, promoting putrefaction.—adv. Sep′tically.—adj. Septicē′mic.—n. Septic′ity, tendency to promote putrefaction.—adj. Septif′erous, conveying putrid poison. [Formed from Gr. sēptikos, putrefying, haima, blood.]
Septicidal, sep-ti-sī′dal, adj. dividing the partitions, as when fruit splits asunder—also Sep′ticide.—adv. Sep′ticidally. [L. sæptum, a fence, cædĕre, to cut.]
Septifarious, sep-ti-fā′ri-us, adj. turned seven different ways.
Septiferous, sep-tif′e-rus, adj. having a septum or septa, septate.