What does the word sphinx mean?

Usage examples for sphinx

  1. The Sphinx had not the courage of his own designs, and she contemptuously flung him out of her way. – The Missourian by Eugene P. (Eugene Percy) Lyle
  2. " You are rather sphinx- like, mamma! – The Quality of Mercy by W. D. Howells
  3. And it was by the Sphinx that I saw The Man. – Leaves in the Wind by A. G. Gardiner