waterline

Meaning

1. A line formed by the surface of the water on the hull of a ship when she is afloat; any of a series of short lines marked on the hull to show where the waterline would be under different loadings
2. A horizontal line indicating the shape of an airfoil.
3. A line showing where the water has been, usually a line separating dry land and wet areas; a watermark or tidemark.
4. The inner rim of the eyelid, just behind the lash line; primarily used in reference to the application of eyeliner.

Synonyms

water line

water level

groundwater table

horizontal

horizontal line

level line

phreatic surface

shoreline

shore line

watermark

water table

strandline

sea line

free-water elevation

ground water level

ground water table

underground water level

WL

groundwater surface

saturated surface

level of saturation

plane of saturation

ground water surface

coastline

free-water surface

groundwater level

Translations

Wasserlinie

ligne de flottaison

Wasserstand

ίσαλα

flottaison

linea di galleggiamento

waterlijn

linha d’água

línea de flotación

خط الماء

linea de flotacion

línia de flotació

Tiefgang

Etymology

From water + line.