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
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Noun
Some early testers have used Skills to quickly enter prompts to calculate protein macros in a recipe, generate side-by-side comparisons across multiple tabs while shopping, and summarize lengthy documents, Google adds. Jibin Joseph, PC Magazine, 15 Apr. 2026 Microsoft is finally allowing Windows 11 testers to get access to experimental features without having to download a third-party app like ViVeTool. Tom Warren, The Verge, 10 Apr. 2026 Turns out my kids are the ultimate bedding testers and steal all my favorite pieces. Yelena Moroz Alpert, Architectural Digest, 8 Apr. 2026 My tester had a steel brush guard, half-doors, and some nifty decals; others come with a full cab that features speakers in the roof. Caleb Jacobs, The Drive, 8 Apr. 2026 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

Browse Nearby Words

Cite this Entry

“Tester.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tester. Accessed 16 Apr. 2026.

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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