Properly, the inner bark of the papyrus plant, i.e. (by implication) a sheet or scroll of writingbook.
Textus Receptus Greek Text
bibloVMatt 1:1
biblouVActs 19:19
biblouRev 3:5, Rev 22:19, Rev 22:19
biblwMark 12:26, Luke 3:4, Luke 20:42, Acts 1:20, Acts 7:42, Php 4:3, Rev 13:8, Rev 20:15