n. the time of life between 70 and 80.
Syn. -- seventies. [ WordNet 1.5 ]

n. a seventh part.
Syn. -- seventh. [ WordNet 1.5 ]

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. &unr_;&unr_;&unr_;, Skr. saptan. √305. Cf. Hebdomad, Heptagon, September. ] One more than six; six and one added; as, seven days make one week. [ 1913 Webster ]

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. [ 1913 Webster ]

n. 1. The number greater by one than six; seven units or objects. [ 1913 Webster ]

Of every beast, and bird, and insect small,
Game sevens and pairs. Milton. [ 1913 Webster ]

2. A symbol representing seven units, as 7, or vii. [ 1913 Webster ]

a. Repeated seven times; having seven thicknesses; increased to seven times the size or amount. “Sevenfold rage.” Milton. [ 1913 Webster ]

adv. Seven times as much or as often. [ 1913 Webster ]

Whosoever slayeth Cain, vengeance shall be taken on him sevenfold. Gen. iv. 15. [ 1913 Webster ]

n. A week; any period of seven consecutive days and nights. See Sennight. [ 1913 Webster ]

n. & a. Seven times twenty, that is, a hundred and forty. [ 1913 Webster ]

The old Countess of Desmond . . . lived sevenscore years. Bacon. [ 1913 Webster ]

n. A firearm, esp. a pistol, with seven barrels or chambers for cartridges, or one capable of firing seven shots without reloading. [ Colloq. ] [ 1913 Webster ]

a. [ OE. seventene, AS. seofont&ymacr_;ne, i. e., seven-ten. Cf. Seventy. ] One more than sixteen; ten and seven added; as, seventeen years. [ 1913 Webster ]

n. 1. The number greater by one than sixteen; the sum of ten and seven; seventeen units or objects. [ 1913 Webster ]

2. A symbol denoting seventeen units, as 17, or xvii. [ 1913 Webster ]

a. [ From Seventeen: cf. AS. seofonteóða, seofonteogeða. ] 1. Next in order after the sixteenth; coming after sixteen others. [ 1913 Webster ]

In . . . the seventeenth day of the month . . . were all the fountains of the great deep broken up. Gen. vii. 11. [ 1913 Webster ]

2. Constituting or being one of seventeen equal parts into which anything is divided. [ 1913 Webster ]

n. 1. The next in order after the sixteenth; one coming after sixteen others. [ 1913 Webster ]

2. The quotient of a unit divided by seventeen; one of seventeen equal parts or divisions of one whole. [ 1913 Webster ]

3. (Mus.) An interval of two octaves and a third. [ 1913 Webster ]

a. [ From Seven: cf. AS. seofoða. ] 1. Next in order after the sixth;; coming after six others. [ 1913 Webster ]

On the seventh day, God ended his work which he had made; and he rested on the seventh day from all his work which he had made. Gen. ii. 2. [ 1913 Webster ]

2. Constituting or being one of seven equal parts into which anything is divided; as, the seventh part. [ 1913 Webster ]

Seventh day, the seventh day of the week; Saturday. --
Seventh-day Baptists. See under Baptist. [ 1913 Webster ]

n. 1. One next in order after the sixth; one coming after six others. [ 1913 Webster ]

2. The quotient of a unit divided by seven; one of seven equal parts into which anything is divided. [ 1913 Webster ]

3. (Mus.) (a) An interval embracing seven diatonic degrees of the scale. (b) A chord which includes the interval of a seventh whether major, minor, or diminished. [ 1913 Webster ]

n. pl. A name given to three several issues of United States Treasury notes, made during the Civil War, in denominations of $50 and over, bearing interest at the rate of seven and three tenths (thirty hundredths) per cent annually. Within a few years they were all redeemed or funded. [ 1913 Webster ]

adv. In the seventh place. [ 1913 Webster ]

n. 1. One next in order after the sixty-ninth. [ 1913 Webster ]

2. The quotient of a unit divided by seventy; one of seventy equal parts or fractions. [ 1913 Webster ]

a. [ AS. hund-seofontigoða. ] 1. Next in order after the sixty-ninth; as, a man in the seventieth year of his age. [ 1913 Webster ]

2. Constituting or being one of seventy equal parts. [ 1913 Webster ]

a. [ AS. hund-seofontig. See Seven, and Ten, and cf. Seventeen, Sixty. ] Seven times ten; one more than sixty-nine. [ 1913 Webster ]

n.; pl. Seventies 1. The sum of seven times ten; seventy units or objects. [ 1913 Webster ]

2. A symbol representing seventy units, as 70, or lxx. [ 1913 Webster ]

The Seventy, the translators of the Greek version of the Old Testament called the Septuagint. See Septuagint. [ 1913 Webster ]

n. (Naut.) A naval vessel carrying seventy-four guns. [ 1913 Webster ]

n. The game of cards called also all fours, and old sledge. [ U. S. ] [ 1913 Webster ]

adj. & adv. ety>[ From 24 hours per day, 7 days per week. ] Without interruption; non-stop; continuous; as, the computer manufacturer provides 24/7 technical help.
Syn. -- 24/7, 7/24 [ PJC ]

v. t. [ 1st pref. un- + seven. ] To render other than seven; to make to be no longer seven. [ Obs. & R. ] “To unseven the sacraments of the church of Rome.” Fuller. [ 1913 Webster ]