What does the word seventieth mean?

Usage examples for seventieth

  1. He was fiercely tenacious of life, and his seventieth birthday had rung a knell in his ears that still sounded. – The Mating of Lydia by Mrs. Humphry Ward
  2. He had passed his seventieth year, but Elizabeth noticed in the old men of Canada a strained expectancy, a buoyant hope, scarcely inferior to that of the younger generation. – Lady Merton, Colonist by Mrs. Humphry Ward