What does the word elastic mean?

Usage examples for elastic

  1. Now, when you began to work the lever there was still enough air in the globe to balance, through its elastic force, the air outside; and, as the piston receives an almost equal pressure of air from the atmosphere above and from the globe below, it is easily raised and lowered. – In Search of a Son by William Shepard Walsh
  2. Salome's step was light and elastic as she walked away towards Edinburgh Crescent. – Salome by Emma Marshall
  3. The Broad Churchman here is still a Churchman, but the system is much more elastic and much more intellectual. – Recollections and Impressions 1822-1890 by Octavius Brooks Frothingham