Waterfall /(?)/

Wa·ter·fall

Waterfall

n.
  1. A fall, or perpendicular descent, of the water of a river or stream, or a descent nearly perpendicular; a cascade; a cataract.
  2. An arrangement of a woman's back hair over a cushion or frame in some resemblance to a waterfall. (Hairdressing)
  3. A certain kind of neck scarf.