watermark /ˈwɑːtɚˌmɑɚk/ noun plural watermarks
plural watermarks
Learner's definition of WATERMARK
[count]
: a design or symbol (such as the maker's name) that is made in a piece of paper and that can be seen when the paper is held up to the light（纸张上的）水印 ◊ A watermark is usually found in expensive paper as a sign of quality.水印通常作为一种质量标志显现在贵重纸张上。