tester

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. One that tests: a battery tester; a taste tester.
2. n. A canopy, as over a bed or pulpit.
3. n. See teston.

Century Dictionary and Cyclopedia

1. n. One who tests, tries, assays, or proves.
2. n. Any instrument or apparatus used in testing: as, a steam-gage tester; a vacuum-tester.
3. n. A canopy.
4. n. Specifically— The frame which connects the tops of the posts in a four-post bedstead, and the material stretched upon it, the whole forming a sort of canopy.
5. n. In architecture, a flat canopy, as over a pulpit or a tomb.
6. n. A head-piece; a helmet.
7. n. A name given to the shillings coined by Henry VIII., and to sixpences later (compare teston); also, in modern slang, a sixpence.

Wiktionary

1. n. A canopy over a bed etc.
2. n. A person who administers a test.
3. n. A device used for testing.
4. n. A sample of perfume available in a shop for customers to try before they buy.
5. n. An old French silver coin.
6. n. UK, slang, dated A sixpence.

GNU Webster's 1913

1. n. obsolete A headpiece; a helmet.
2. n. A flat canopy, as over a pulpit or tomb.
3. n. A canopy over a bed, supported by the bedposts.
4. n. 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.

WordNet 3.0

1. n. someone who administers a test to determine your qualifications
2. n. a flat canopy (especially one over a four-poster bed)