tester

1
[ tes-ter ]
See synonyms for: testertesters on Thesaurus.com

noun
  1. a person or thing that tests.

Origin of tester

1
First recorded in 1655–65; test1 + -er1

Words Nearby tester

Other definitions for tester (2 of 3)

tester2
[ tes-ter, tees- ]

noun
  1. a canopy, as over a bed or altar.

Origin of tester

2
First recorded in 1350–1400; Middle English tester, testo(u)r, testir, teester “headpiece,” from Old French testiere “headpiece, head covering,” from Medieval Latin testerium, testrum, testura “canopy of a bed”; derivative of Vulgar Latin testa “head,” from Latin testa “earthenware jar; brick; tile”; see test2

Other definitions for tester (3 of 3)

tester3
[ tes-ter ]

noun
  1. the teston of Henry VIII.

Origin of tester

3
First recorded in 1560–70; earlier testorn, variant of teston, with -r- from Middle French testart “teston”

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use tester in a sentence

British Dictionary definitions for tester (1 of 3)

tester1

/ (ˈtɛstə) /


noun
  1. a person or thing that tests or is used for testing

British Dictionary definitions for tester (2 of 3)

tester2

/ (ˈtɛstə) /


noun
  1. (in furniture) a canopy, esp the canopy over a four-poster bed

Origin of tester

2
C14: from Medieval Latin testerium, from Late Latin testa a skull, from Latin: shell

British Dictionary definitions for tester (3 of 3)

tester3

/ (ˈtɛstə) /


noun
  1. another name for teston (def. 2)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012