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tester

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tester¹

  • /ˈtɛstə/ UK
  • /ˈtɛstəɹ/ US

Rhymes with -ɛstə(ɹ)

Where it comes from

From Middle English tester, from Old French testre, from Latin testura.

noun testers

  1. A canopy over a bed. And I could as hardly spare my gloves as my shirt, or forbeare washing of my hands both in the mornng and rising from the table, or lye in a bed without a testerne and curtaines about it, as of most necessary things.
  2. Something that overhangs something else; especially a canopy or sounding board over a pulpit. With our shaggy jackets drawn about our shoulders, we now passed the Tomahawk from one to the other, till slowly there grew over us a blue hanging tester of smoke, illuminated by the flame of the new-lit lamp.

tester²

  • /ˈtɛstə/ UK
  • /ˈtɛstəɹ/ US

Rhymes with -ɛstə(ɹ)

Where it comes from

From Middle English tester, equivalent to test + -er.

noun testers

  1. A person who administers a test.
  2. A device used for testing.
  3. Australia, obsolete, slang A punishment of 25 lashes (strokes of a whip) across a person′s back.

    Similar: Botany Bay dozen

  4. A sample of perfume available in a shop for customers to try before they buy.
  5. A miniature pot of paint for testing and comparison purposes.
  6. A cyclist who focuses on success in time trials.

tester³

  • /ˈtɛstə/ UK
  • /ˈtɛstəɹ/ US

Rhymes with -ɛstə(ɹ)

Where it comes from

For testern, teston, from French teston. See tester (“a covering”), and compare testone, testoon.

noun testers

  1. An old French silver coin.
  2. UK, dated, slang A sixpence. When after their beaſtly ſport and pleaſure Mounſieur Libid[inoſo] heat of luſt was ſomewhat aſſwaged, and ready to goe, féeling his pocket for a venereall remuneration [i.e., a copper coin] finds nothing but a Teſter, or at leaſt ſo little, that it was not ſufficient to pleaſe dame Pleaſure for her

    Similar: teston, tizzy

tester⁴

  • /ˈtɛstə/ UK
  • /ˈtɛstəɹ/ US

Rhymes with -ɛstə(ɹ)

Where it comes from

Inherited from Middle English tester; see testiere.

noun testers

  1. alternative Alternative form of testiere (“armor for a horse's head”). A horse-head tester had cutouts for the animal's eyes and ears. A peytral protected the horse's breast, while the crinet, made of overlapping steel plates joined by leather straps or rivets, protected its neck.

Tester⁵

  • /ˈtɛstə(ɹ)/

Where it comes from

From Old French testard (“someone with a big head”), a pejorative from teste (“head”).

proper noun Testers

  1. A surname from Old French. But only if one forgets that Mr. Tester is 50 years old, he’s seasoned in state politics, he ran a canny, gloves-off campaign, and he’s the kind of charismatic, hard-to-peg, Western neopopulist (like his friend, Gov. Brian Schweitzer of Montana) who might be, even now, redefining in certain far-reac

Thesaurus

Closest in meaning: examiner, canopy, meter, pilot, gauge, manometer, analyzer, voltmeter, checker, test, testing, verifier, trial, experiment, trier, experimentation

Translations

Every language

noun a person administering a test

Españoltéster, tester, probador
DeutschTester
Русскийтестиро́вщик tɛstiróvščik, испыта́тель ispytátelʹ, те́стер tɛ́stɛr

noun a device used for testing

Españoltéster, tester

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Cite this
MLA

"tester." Wiktionary, via Micwyn, micwyn.com/word/tester. Accessed 6 Nov. 2026.

APA

tester. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/tester

Chicago

"tester." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/tester.

BibTeX
@misc{tester_2026,
  title = {tester},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/tester},
  urldate = {2026-11-06}
}