plural watermarks
: 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
Note: A watermark is usually found in expensive paper as a sign of quality.
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“Watermark.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/watermark. Accessed 14 Apr. 2026.
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