watermark

noun, verb — 7 senses

watermark

noun

/ˈwɔːtəmɑːk/

Etymology From water + mark.

1

A translucent design impressed on the surface of paper and visible when the paper is held to the light.

2

Broadly A logo superimposed on a digital image, a television broadcast, etc.

3

Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences A value stored in a datafile to ensure its integrity, so that if the file's contents are changed then the watermark will no longer match the contents.

4

Computing, Engineering, Graphical user interface, Mathematics, Natural sciences, Physical sciences, Sciences A default hint caption displayed in a text box prior to the user inputting any text.

5

A mark indicating the level to which water has risen.

Derived terms
digital watermark, watermark disease

watermark

verb

Etymology From water + mark.

1

To mark paper with a watermark.

2

To mark a datafile with a digital watermark.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.