Tester

n.	1.	A headpiece; a helmet. The shields bright, testers, and trappures. - Chaucer.
	2.	A flat canopy, as over a pulpit or tomb.
	3.	A canopy over a bed, supported by the bedposts. No testers to the bed, and the saddles and portmanteaus heaped on me to keep off the cold. - Walpole.
	1.	An old French silver coin, originally of the value of about eighteen pence, subsequently reduced to ninepence, and later to sixpence, sterling. Hence, in modern English slang, a sixpence; - often contracted to tizzy. Called also teston.

Noun	1.	tester - someone who administers a test to determine your qualifications Synonyms: examiner, quizzer
	2.	tester - a flat canopy (especially one over a four-poster bed)

analyst, analyzer, assayer, essayer, examinant, examiner, experimenter, inspector, investigator, observer, research worker, researcher, scrutineer, test driver, test pilot, tryer-out, visitator, visitor