Sev″en (?), a. [OE. seven, seoven, seofen, AS. seofon, seofan, seofen; akin to D. zeven, OS., Goth., & OHG. sibun, G. sieben, Icel. sjau, sjö, Sw. sju, Dan. syv, Lith. septyni, Russ. seme, W. saith, Gael. seachd, Ir. seacht, L. septem, Gr. ���, Skr. saptan. √305. Cf. Hebdomad, Heptagon, September.] One more than six; six and one added; as, seven days make one week.
Seven sciences. See the Note under Science, n., 4. — Seven stars(Astron.), the Pleiades. — Seven wonders of the world. See under Wonders. — Seven-year apple(Bot.), a rubiaceous shrub (Genipa clusiifolia) growing in the West Indies; also, its edible fruit. — Seven-year vine(Bot.), a tropical climbing plant (Ipomœa tuberosa) related to the morning-glory.