What is the meaning of Tester?

A canopy over a bed.

Something that overhangs something else; especially a canopy or soundboard over a pulpit.

A person who administers a test.

A device used for testing.

A punishment of 25 lashes (strokes of a whip) across a person′s back.

A sample of perfume available in a shop for customers to try before they buy.

A miniature pot of paint for testing and comparison purposes.

A cyclist who focuses on success in time trials.

An old French silver coin.

A sixpence.

Alternative form of testiere (armor for a horse's head)

present of teste

a tester; someone who tests

an instrument used for testing

a product sample

to test

to write one's will

first-person singular present active subjunctive of testor

indefinite plural of test

present of teste

tester (device that tests something)

tester (free sample bottle of perfume or cosmetic available in a shop for customers to try)

tester (small phial of perfume or cosmetic bought to try a fragrance without the commitment of a full-size bottle)

tester (person on whom drugs or cosmetics are tested)

tester

indefinite plural of test

Source: wiktionary.org