This is the 4142nd most frequent French word.
couler
To flow or to sink.
Couler is used here to describe the smooth and continuous flow of the water.
L'eau coule doucement dans la rivière.
The water flows gently in the river.
Couler is used here to convey the idea of a liquid moving downward due to gravity.
La peinture a commencé à couler sur le mur.
The paint started to drip on the wall.
Couler is employed here to indicate the act of submergence of a vessel in water.