tes·ter /ˈtistɚ/
 考試人,試驗裝置,天蓋,華蓋


 tester
 測試機


 tester
 測試器


 Tes·ter n.
 1. A headpiece; a helmet. [Obs.]
    The shields bright, testers, and trappures.   --Chaucer.
 2. A flat canopy, as over a pulpit or tomb.
 3. A canopy over a bed, supported by the bedposts.
    No testers to the bed, and the saddles and portmanteaus heaped on me to keep off the cold.   --Walpole.


 Tes·ter, n.  An old French silver coin, originally of the value of about eighteen pence, subsequently reduced to ninepence, and later to sixpence, sterling. Hence, in modern English slang, a sixpence; -- often contracted to tizzy. Called also teston.

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 tester
      n 1: someone who administers a test to determine your
           qualifications [syn: examiner, quizzer]
      2: a flat canopy (especially one over a four-poster bed)