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tester1

[tes-ter] /ˈtɛs tər/
noun
1.
a person or thing that tests.
Origin of tester1
1655-1665
1655-65; test1 + -er1

tester2

[tes-ter, tees-] /ˈtɛs tər, ˈtis-/
noun
1.
a canopy, as over a bed or altar.
Origin
1350-1400; Middle English < Medieval Latin testrum canopy of a bed; akin to Latin testa covering. See test2

tester3

[tes-ter] /ˈtɛs tər/
noun
1.
the teston of Henry VIII.
Origin
1540-50; earlier testorn, variant of teston, with -r- from Middle French testart teston
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for tester
  • We approached the bed and examined it-a half-tester, such as is commonly found in attics devoted to servants.
  • One tester keeps phoning these sentences to a tester in another room.
  • Today, after having two daughters, she works for her husband as a software tester.
  • As the recipe cross-tester, he spent four years troubleshooting recipes prior to their publication.
  • He clamps this into the metal vises of a stress tester, cuts the frame, and pulls the fiber from either end until it breaks.
  • It also makes sure patients aren't abusing the privilege of being a drug tester.
  • The diamond tester won't tell you the clarity or the color, but it will get you started.
  • Match that up with the chart on the body of the tester.
  • tester introduces legislation to strengthen transparency, accountability in government.
  • tester schedules seven additional flood outreach meetings.
British Dictionary definitions for tester

tester1

/ˈtɛstə/
noun
1.
a person or thing that tests or is used for testing

tester2

/ˈtɛstə/
noun
1.
(in furniture) a canopy, esp the canopy over a four-poster bed
Word Origin
C14: from Medieval Latin testerium, from Late Latin testa a skull, from Latin: shell

tester3

/ˈtɛstə/
noun
1.
another name for teston (sense 2)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for tester
n.

"one who tests," 1660s, agent noun from test (v.).

"canopy over a bed," late 14c., from Medieval Latin testerium, from testera "head stall," from Late Latin testa (capitis) "skull," from Latin, literally "earthenware, pot." The "head" sense (originally merely humorous) is the source of tester in obsolete senses of "piece of armor for the head" (late 14c.) and "coin of Henry VIII" (1546), the first English coin to bear a true portrait. For sense development, cf. Old English cuppe "cup" from source of German kopf "head."

Online Etymology Dictionary, © 2010 Douglas Harper
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