Watermark

1. (n.) A mark indicating the height to which water has risen, or at which it has stood; the usual limit of high or low water.

2. (n.) A letter, device, or the like, wrought into paper during the process of manufacture.

3. (n.) See Water line.

Thesaurus Entries

Plimsoll line, Plimsoll mark, birthmark, blaze, blemish, blotch, brand, caste mark, check, checkmark, cicatrix, cut, dapple, discoloration, dot, earmark, engraving, fleck, flick, freckle, gash, graving, hack, high-water mark, jot, lentigo, load waterline, macula, mark, marking, mole, mottle, nevus, nick, notch, patch, point, polka dot, prick, puncture, scar, scarification, score, scotch, scratch, scratching, speck, speckle, splash, splotch, spot, stain, stigma, strawberry mark, tattoo, tattoo mark, tick, tidemark, tittle, waterline