tester

1. N-COUNT A tester is a person who has been asked to test a particular thing. 測試員; 試騐員

2. N-COUNT A tester is a machine or device that you use to test whether another machine or device is working correctly. 測試器; 測試儀[usu n N]

I have a battery tester in my garage. 我的車庫裡有台電池測試儀。

3. N (in furniture) a canopy, esp the canopy over a four-poster bed 華蓋