tester

1 of 3

noun (1)

test·​er ˈte-stər How to pronounce tester (audio)
: one that tests or is used for testing

tester

2 of 3

noun (2)

tes·​ter ˈtē-stər How to pronounce tester (audio) ˈte- How to pronounce tester (audio)
: the canopy over a bed, pulpit, or altar

tester

3 of 3

noun (3)

tes·​ter ˈte-stər How to pronounce tester (audio)

Examples of tester in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
These are also cute enough to wear during the day, according to our tester. Jessica Kasparian, SELF, 27 Feb. 2025 Comfort: Our testers sung the praises of mattresses in this list that had comfortable qualities like pillow top covers for a plush feel, as well as breathable, cooling covers to let air circulate. Nashia Baker, Architectural Digest, 27 Feb. 2025 Buyers can choose from several color options, including the eye-catching Rapid Red and my tester, Vapor Blue. Josh Max, Forbes, 20 Feb. 2025 Today’s Difficulty Our testers rate each puzzle out of 5 according to its difficulty. New York Times Games, New York Times, 20 Feb. 2025 See All Example Sentences for tester

Word History

Etymology

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

First Known Use

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

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 3 Mar. 2025.

Kids Definition

tester

1 of 2 noun
tes·​ter ˈtēs-tər How to pronounce tester (audio) ˈtes- How to pronounce tester (audio)
: a canopy or a frame for a canopy over a bed, pulpit, or altar

tester

2 of 2 noun
test·​er
ˈtes-tər
: one that tests

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