tester

1
[ tes-ter ]
/ ˈtɛs tər /

noun

a person or thing that tests.

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Question 1 of 9
“I do believe that the buck stops here, that I cannot rely upon public opinion polls to tell me what is right. I do believe that right makes might and that if I am wrong, 10 angels swearing I was right would make no difference.”

Origin of tester

1
First recorded in 1655–65; test1 + -er1

Definition for tester (2 of 3)

tester2
[ tes-ter, tees- ]
/ ˈtɛs tər, ˈtis- /

noun

a canopy, as over a bed or altar.

Origin of tester

2
1350–1400; Middle English <Medieval Latin testrum canopy of a bed; akin to Latin testa covering. See test2

Definition for tester (3 of 3)

tester3
[ tes-ter ]
/ ˈtɛs tər /

noun

the teston of Henry VIII.

Origin of tester

3
1540–50; earlier testorn, variant of teston, with -r- from Middle French testart teston
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for tester

British Dictionary definitions for tester (1 of 3)

tester1
/ (ˈtɛstə) /

noun

a person or thing that tests or is used for testing

British Dictionary definitions for tester (2 of 3)

tester2
/ (ˈtɛstə) /

noun

(in furniture) a canopy, esp the canopy over a four-poster bed

Word Origin for tester

C14: from Medieval Latin testerium, from Late Latin testa a skull, from Latin: shell

British Dictionary definitions for tester (3 of 3)

tester3
/ (ˈtɛstə) /

noun

another name for teston (def. 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