• WordNet 3.6
    • n septenary the cardinal number that is the sum of six and one
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Webster's Revised Unabridged Dictionary
    • Septenary Consisting of, or relating to, seven; as, a septenary number.
    • Septenary Lasting seven years; continuing seven years. "Septenary penance."
    • n Septenary The number seven.
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Century Dictionary and Cyclopedia
    • septenary Consisting of or relating to seven: as, a septenary number.
    • septenary Lasting seven years; occurring once in seven years: as, a septenary term; a septenary council.
    • n septenary The number seven; the heptad.
    • n septenary A group of seven things.
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Chambers's Twentieth Century Dictionary
    • adj Septenary sep′te-nā-ri consisting of seven: lasting seven years: occurring once in seven years
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Webster's Revised Unabridged Dictionary
L. septenairus, from septeni, seven each, septem, seven: cf. F. septénaire,. See Seven.
Chambers's Twentieth Century Dictionary
L. septenariusseptem, seven.


In literature:

Associated Words: septenary, septuple, septette, septenate, septemvirate, septemvir, heptarchy.
"Putnam's Word Book" by Louis A. Flemming
Now, as I have said, our puzzle may be solved at once by merely converting 1,000,000 dollars to the septenary scale.
"Amusements in Mathematics" by Henry Ernest Dudeney
It is septenary in constitution, as may be seen in its vibrations expressed in color and sound.
"Elementary Theosophy" by L. W. Rogers
The Egyptians made use of a septenary system in the arrangement of the grand gallery in the center of the great pyramid.
"Vestiges of the Mayas" by Augustus Le Plongeon