tester
UK: ˈtɛstə | US: ˈtɛstər
n. a person or device that tests or examines something
n. (historical) a canopy over a bed or tomb
n. (informal) a sample product used for testing or evaluation
The word "tester" derives from the verb "test," which originates from the Latin testum (earthen pot, crucible), later evolving to mean "trial" or "examination" in Old French (tester). The suffix "-er" is an English agentive suffix, indicating a person or thing that performs an action. Historically, "tester" also referred to a canopy (from Medieval Latin testa, meaning "head" or "covering"), but this usage is now archaic. The modern sense aligns with the verb "test," emphasizing the role of an examiner or evaluator.
The software tester identified several bugs in the new application.
She worked as a product tester for a cosmetics company.
The medieval bed was adorned with an ornate tester.
The lab uses automated testers to check device durability.
He volunteered as a beta tester for the upcoming video game.