Tes"ter (?), n. [OE. testere a headpiece, helmet, OF. testiere, F. têtière a head covering, fr. OF. teste the head, F. tête, fr. L. testa an earthen pot, the skull. See Test a cupel, and cf. Testière.] 1. A headpiece; a helmet. [Obs.]

The shields bright, testers, and trappures.

2. A flat canopy, as over a pulpit or tomb. Oxf. Gross.

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.

Tes"ter, n. [For testern, teston, fr. F. teston, fr. OF. teste the head, the head of the king being impressed upon the coin. See Tester a covering, and cf. Testone, Testoon.] 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. Shak.

Tes"ter (?), n. [OE. testere a headpiece, helmet, OF. testiere, F. têtière a head covering, fr. OF. teste the head, F. tête, fr. L. testa an earthen pot, the skull. See Test a cupel, and cf. Testière.] 1. A headpiece; a helmet. [Obs.]

The shields bright, testers, and trappures.

2. A flat canopy, as over a pulpit or tomb. Oxf. Gross.

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.

Tes"ter, n. [For testern, teston, fr. F. teston, fr. OF. teste the head, the head of the king being impressed upon the coin. See Tester a covering, and cf. Testone, Testoon.] 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. Shak.

• a person who administers a test, or a device used for testing
  
• a flat canopy over a bed etc