waterfalls is a form of:

Waterfall



noun
1.
ទឹកធ្លាក់
ENGLISH MEANING
noun
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.
3.
A certain kind of neck scarf.