What does the word hollow mean?

Usage examples for hollow

  1. He was home, and Garrity held him in the hollow of his hand. – Lefty Locke Pitcher-Manager by Burt L. Standish
  2. " The wall is hollow here," she said. – Hildegarde's Neighbors by Laura E. Richards
  3. This dwelling likewise we abandon; and leaving some few behind, spread our sails and run over the waste sea in our hollow wood. – The Aeneid of Virgil by Virgil