test ‧ er /ˈtestə $ -ər/ BrE AmE noun [countable]
1 . a person or piece of equipment that tests something
2 . a small bottle of ↑ perfume 1 (1) etc, in a shop, for customers to try
test ‧ er /ˈtestə $ -ər/ BrE AmE noun [countable]
1 . a person or piece of equipment that tests something
2 . a small bottle of ↑ perfume 1 (1) etc, in a shop, for customers to try
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012