SEPTENARY
seven, VII, sevener, heptad, septet, septenary
(noun) the cardinal number that is the sum of six and one
Source: WordNet® 3.1
Etymology
Adjective
septenary (not comparable)
Consisting of or containing seven.
Of seventh rank or order.
Lasting seven years; continuing seven years.
Noun
septenary (plural septenaries)
A group of seven things.
A period of seven years.
(music) The seven notes of the diatonic scale.
Source: Wiktionary
Sep"ten*a*ry, a. Etym: [L. septenairus, from septeni seven each,
septem seven: cf. F. septénaire. See Seven. ]
1. Consisting of, or relating to, seven; as, a septenary number. I.
Watts.
2. Lasting seven years; continuing seven years. "Septenary penance."
Fuller.
Sep"ten*a*ry, n.
Definition: The number seven. [R.] Holinshed.
Source: Webster’s Unabridged Dictionary 1913 Edition