Dictionary.net

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

A letter, device, or the like, wrought into paper during the process of manufacture.

See Water line, 2.

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

A letter, device, or the like, wrought into paper during the process of manufacture.

See Water line, 2.

A mark showing the height of water; also a faint marking made in paper during its manufacture, as a trade-mark.