What does the word Sank mean?

Usage examples for Sank

  1. Alice sank into the chair that was offered her, her eyes fixed on Catharine. – The Case of Richard Meynell by Mrs. Humphrey Ward
  2. And he sighed and sank back on the earth. – Martin Pippin in the Apple Orchard by Eleanor Farjeon
  3. Roger went into his study and sank grimly into his chair. – His Family by Ernest Poole