The Collaborative International Dictionary
Seven \Sev"en\, a. [OE. seven, seoven, seofen, AS. seofon, seofan, seofen; akin to D. zeven, OS., Goth., & OHG. sibun, G. sieben, Icel. sjau, sj["o], Sw. sju, Dan. syv, Lith. septyni, Russ. seme, W. saith, Gael. seachd, Ir. seacht, L. septem, Gr. ???, Skr. saptan. [root]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 ( Ipom[oe]a tuberosa) related to the morning-glory.
Wiktionary
n. A tropical climbing plant (''Ipomoea tuberosa'') related to the morning glory.