The term TESTER can be broken down into three crossword solutions: TRIER (5 letters), EXAMINER (8 letters), and CANOPY (6 letters). A TRIER is someone who evaluates or tests something, such as a product or service. An EXAMINER is someone who inspects or investigates something, often for the purpose of determining its quality or value. Finally, a CANOPY is a covering or shelter, usually made of fabric, that is used to protect from the elements. Therefore, a tester could be someone who evaluates, inspects, or shelters something in order to determine its quality or value.