noun, plural sep·te·nar·ies.
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Words nearby septenary
How to use septenary in a sentence
A winged angel, with the sign of the sun upon his forehead and on his breast the square and triangle of the septenary.The Illustrated Key to the Tarot|L. W. de Laurence
It is thus seen that no "trials" are necessary; by converting to the septenary scale of notation we go direct to the answer.Amusements in Mathematics|Henry Ernest Dudeney
And thus far he reach'd in his Contemplations, about the end of the fourth Septenary of his Age, viz.
Thus far his Knowledge had brought him towards the end of the fifth Septenary from his Birth, viz.
In the meantime he had passed the Seventh Septenary, and had attained to the age of fifty.The Awakening of the Soul|Muhammad ibn 'Abd al-Malik Ibn Tufail