Tester vs Fester - What's the difference?

tester | fester |

As a noun tester

is a canopy over a bed or tester can be a person who administers a test or tester can be an old french silver coin.

As a verb fester is

to become septic; to become rotten.

Other Comparisons: What's the difference?



Etymology 1

Probably from (etyl) testre, from (etyl) testa.


(en noun)
  • A canopy over a bed.
  • *1603 , (John Florio), translating Michel de Montaigne, Essays , III.13:
  • *: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.
  • * Walpole
  • No testers to the bed, and the saddles and portmanteaus heaped on me to keep off the cold.
  • *{{quote-book, year=1963, author=(Margery Allingham)
  • , title=(The China Governess) , chapter=1 citation , passage=The half-dozen pieces […] were painted white and carved with festoons of flowers, birds and cupids. […]  The bed was the most extravagant piece.  Its graceful cane half tester rose high towards the cornice and was so festooned in carved white wood that the effect was positively insecure, as if the great couch were trimmed with icing sugar.}}
  • Something that overhangs something else; especially a canopy or soundboard over a pulpit.
  • *1851 , (Herman Melville), (Moby Dick) , :
  • 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.

    Etymology 2

    From .


    (en noun)
  • A person who administers a test.
  • A device used for testing.
  • (Australia, slang, obsolete) A punishment of 25 lashes (strokes of a whip) across a person?s back.1987 , , 1996, paperback, ISBN 1-86046-150-6, Chapter 12.
  • A sample of perfume available in a shop for customers to try before they buy.
  • Synonyms
    * (punishment) Botany Bay dozen

    Etymology 3

    For (testern), (teston), from (etyl) teston, from (etyl) teste the head, the head of the king being impressed upon the coin. See (tester) a covering, and compare (testone), (testoon).


    (en noun)
  • An old French silver coin.
  • (UK, slang, dated) A sixpence.
  • Synonyms
    * (sixpence) teston, tizzy



    * * * English agent nouns ----




    (en verb)
  • To become septic; to become rotten.
  • * Milton
  • Wounds immedicable / Rankle, and fester , and gangrene.
  • To worsen, especially due to lack of attention.
  • Deal with the problem immediately; do not let it fester .
  • * Macaulay
  • Hatred festered in the hearts of the children of the soil.
  • To cause to fester or rankle.
  • * Marston
  • For which I burnt in inward, swelt'ring hate, / And fester'd rankling malice in my breast.


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