tester Hear it!

tester1 definition

tester (tes′tər)

noun

a person or thing that tests
tester2 definition

tes·ter (tes′tər)

noun

a canopy, as over a bed

Etymology: ME testere < OFr testiere, headpiece, crown of a hat < teste, the head < L testa: see test

tester3 definition

tes·ter (tes′tər)

noun

teston (sense )

Etymology: altered < MFr testart < teston, teston + -art, -ard

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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