Septenarius is a 11 letter English word. It's valid Words with friends word worth 16 points.
You can make 1545 anagrams from letters in septenarius (aeeinprsstu).
1810-20; Latin septēnārius (see septenary)
In various modified forms, the septenarius was a favourite measure throughout the Middle English period.
"septenarius numerus est numerus universitatis," says J. de Voragine.
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