1) Witness or evidence (2 Thess. 1:10).
2) The Scriptures, as the revelation of God's will (2 Kings 11:12; Ps. 19:7; 119:88; Isa. 8:16, 20).
3) The altar raised by the Gadites and Reubenites (Josh. 22:10).
·noun The two tables of the law. II. Testimony ·noun Open attestation; profession. III. Testimony ...
Webster's Dictionary of the English Language
The tabernacle, the great glory of which was that it contained "the testimony", i.e., the "two table...
Easton's Bible Dictionary