Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary
1

tester

play
noun tes·ter \ˈtēs-tər, ˈtes-\

Definition of tester

  1. :  the canopy over a bed, pulpit, or altar



Origin and Etymology of tester

Middle English, headboard of a bed, canopy, from Anglo-French, from teste head, from Late Latin testa skull, from Latin, shell


First Known Use: 14th century


2

tester

play
noun tes·ter \ˈtes-tər\

Definition of tester

  1. :  teston a



Origin and Etymology of tester

modification of Middle French testart, from teston


First Known Use: 1546


3

tester

play
noun test·er \ˈtes-tər\

Definition of tester

  1. :  one that tests or is used for testing



1661

First Known Use of tester

1661


Learn More about tester


Seen and Heard

What made you want to look up tester? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

mysterious, holy, or spiritual

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

lavender-fields-in-france

Which of these is a synonym of caesura?

interruption megillah torrent rebellion
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ