n. 考试人, 做试验者, 试验装置, 天盖, 华盖

[化] 检验器; 试验仪器

[医] 测验器, 试器

Tester \Tes"ter\, n. [OE. testere a headpiece, helmet, OF.
testiere, F. t[^e]ti[`e]re a head covering, fr. OF. teste the
head, F. t[^e]te, fr. L. testa an earthen pot, the skull. See
{Test} a cupel, and cf. {Testi[`e]re}.]
1. A headpiece; a helmet. [Obs.]

The shields bright, testers, and trappures.
--Chaucer.

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.
--Walpole.


Tester \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.