n.1 a device for skimming liquids.
2 a person who skims.
3 a flat hat, esp. a broad-brimmed straw hat.
4 any long-winged marine bird of the genus Rynchops that feeds by skimming over water with its knifelike lower mandible immersed.
5 a hydroplane, hydrofoil, hovercraft, or other vessel that has little or no displacement at speed.
6 US a sheath-like dress.
Etymology: ME f. OF escumoir f. escumer f. escume SCUM