The following is the results of your search for bolster.
Bolster: The Hebrew word kebir, rendered "pillow" in
(1 Samuel 19:13,16) but in
Revised Version marg. "quilt" or "network," probably means some
counterpane or veil intended to protect the head of the sleeper. A
different Hebrew word (meraashoth') is used for "bolster"
(1 Samuel 26:7,11,16) It is rightly rendered in Revised Version "at his
(Genesis 28:11,18) the Authorized Version renders it "for his
pillows," and the Revised Version "under his head." In
another Hebrew word (kesathoth) is used, properly denoting "cushions"
or "pillows," as so rendered both in the Authorized and the Revised