Verses with the word pillow in the Old Testament (2 verses):

1 Samuel 19:13
And Michal took an image, and laid it in the bed, and put a pillow of goats' hair for his bolster, and covered it with a cloth.

1 Samuel 19:16
And when the messengers were come in, behold, there was an image in the bed, with a pillow of goats' hair for his bolster.