From The Collaborative International Dictionary of English v.0.48:
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.
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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.
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From The Collaborative International Dictionary of English v.0.48:
Seven \Sev"en\, n.
1. The number greater by one than six; seven units or
objects.
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Of every beast, and bird, and insect small,
Game sevens and pairs. --Milton.
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2. A symbol representing seven units, as 7, or vii.
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