noun (1)
test·​er | \ ˈte-stər How to pronounce tester (audio) \

Definition of tester

 (Entry 1 of 3)

: one that tests or is used for testing


noun (2)
tes·​ter | \ ˈtē-stər How to pronounce tester (audio) , ˈte- \

Definition of tester (Entry 2 of 3)

: the canopy over a bed, pulpit, or altar


noun (3)
tes·​ter | \ ˈte-stər How to pronounce tester (audio) \

Definition of tester (Entry 3 of 3)

First Known Use of tester

Noun (1)

1661, in the meaning defined above

Noun (2)

14th century, in the meaning defined above

Noun (3)

1546, in the meaning defined above

History and Etymology for tester

Noun (2)

Middle English, headboard of a bed, canopy, from Anglo-French, from teste head, from Late Latin testa skull, from Latin, shell

Noun (3)

modification of Middle French testart, from teston

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Time Traveler

The first known use of tester was in the 14th century

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Cite this Entry

“Tester.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tester. Accessed 24 Feb. 2021.

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