What does the word tester mean?

Usage examples for tester

  1. " The day that we were in the Theatre at Oxford, Farmer Tester was away at one of the markets. – Tom Brown at Oxford by Thomas Hughes
  2. They were back to the centre, the Dublin men had kicked, Tester had gathered and returned to touch. – The Prelude to Adventure by Hugh Walpole
  3. The pink curtains were drawn, but there was no fire in the grate- for fires in bedrooms were unknown at Ansdore; however, a Christmas- like effect was given by sprigs of holly stuck in the picture- frames, and a string of paper flowers hung from the bed- tester to the top of the big woolly bell- rope by the mantelpiece. – Joanna Godden by Sheila Kaye-Smith