the seventy

from The Collaborative International Dictionary of English v.0.48

Seventy \Sev"en*ty\, n.; pl. {Seventies}.
   1. The sum of seven times ten; seventy units or objects.
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   2. A symbol representing seventy units, as 70, or lxx.
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   {The Seventy}, the translators of the Greek version of the
      Old Testament called the Septuagint. See {Septuagint}.
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