three-score and ten

Numeral

three score and ten

1. (dated, idiomatic) Seventy, being the number of years in a full lifetime of traditionally-expected duration.
   • "Why, a man with any feeling ought to be ashamed of being eighty, let alone more. Where’s his religion, I should like to know, when he goes flying in the face of the Bible like that? Threescore-and-ten’s the mark, and no man with a conscience, and a proper sense of what’s expected of him, has any...1842 December – 1844 July, Charles Dickens, chapter 11, in The Life and Adventures of Martin Chuzzlewit, London: Chapman and Hall, […], published 1844, →OCLC