UnscrambleTheWord.cotester
Is it a Scrabble word? See definition, points, and words you can make.
Is tester a Scrabble word?
Word Games
- Scrabble US/Canada (OTCWL) Yes
- Scrabble UK (SOWPODS) Yes
- Wordle No
- Words With Friends Yes
Scrabble US/Canada (OTCWL) 
Wordle 
Words With Friends What is the meaning of tester?
Definition
noun (English)
1. (Australia, slang, obsolete) A punishment of 25 lashes (strokes of a whip) across a person′s back.Synonyms: Botany Bay dozenAustraliaobsoleteslang
2. (cycling) A cyclist who focuses on success in time trials.
noun (English)
1. (British, slang, dated) A sixpence.Examples: "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 hire. [...] My Ladie would not beléeue Monſ. Libid. a great while, but ſearched and féeled for more coine, [...]"Synonyms: teston, tizzyBritishdatedslang
Definition source: Wiktionary