What does the word bolster mean?

Usage examples for bolster

  1. The cartridge which holds this powder is a pillow, an absolute bolster, of some three feet in length and twelve inches in diameter. – In the Track of the Troops by R.M. Ballantyne
  2. It is true, however, that tall people do find the old- fashioned German bedsteads short; and it is true that the big square downy pillows are supported by a wedge- shaped bolster called a Keilkissen. – Home Life in Germany by Mrs. Alfred Sidgwick
  3. More reserves came dashing out from the side lines to help bolster a Grinnell forward wall which had taken plenty of punishment. – Interference and Other Football Stories by Harold M. Sherman