noun A faint design pressed into paper that becomes visible when the paper is held up to the light.
- Hold the banknote up to the light and you can see its watermark.
- The stationery carried a small watermark in one corner.
- Forgers struggle to reproduce an official document's watermark.
- She held the banknote up to the light to check the watermark.
noun A logo or mark placed over a digital image, video or broadcast, usually to show who owns it.
- The photographer added a watermark before posting the picture online.
- You can still make out the shape behind the watermark.
- The broadcaster's watermark sat in the corner of the screen throughout the match.
- The photographer added a watermark to every image on his portfolio site.
verb To mark paper or a digital file with a watermark.
- The mill watermarks its finest paper with its own crest.
- She watermarks every photo before sharing it publicly.
- The document had been watermarked to stop unauthorised copies.
- The studio watermarks every preview clip before release.