from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of or relating to the number six.
- adj. Having six things or parts.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Of sixth rank or order.
from the GNU version of the Collaborative International Dictionary of English
- adj. Of six; belonging to six; containing six.
from The Century Dictionary and Cyclopedia
- Of six; belonging to six; containing six.
One remarkably interesting number system is that exhibited by the Mosquito tribe  of Central America, who possess an extensive quinary-vigesimal scale containing one binary and three senary compounds.
But no one has, because of this likeness, ever suggested that these tribes ever counted by the senary method.
In the dialect of the Mille tribe a single trace of senary counting appears, as the numerals given below show:  6. dildjidji.
Finally, in the numerals used by the natives of the Marshall Islands, the following curiously irregular sequence also contains a single senary numeral:  6. thil thino = 3 + 3. 7. thilthilim-thuon = 6 + 1. 8. rua-li-dok = 10 - 2. 9. ruathim-thuon = 10 - 2 + 1.
The language of the Sundas,  or mountaineers of Java, contains traces of senary counting.
The sages applied the senary to the physical man; while the septenary was, for them, the symbol of his immortal spirit.
The hieroglyphical senary (the double equilateral triangle) is the symbol of Deity.
Deity symbolized by the hieroglyphical senary, 634-l.
I took the only hint which the address gave: I inquired for hellebore, but they told me it was not now recognized, that the old notion of its value was quite obsolete, and that they had nothing which was considered a specific in senary or septenary cases.
In this he is not original: his fame must rest on his senary tripod.
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