0 a white mass in the sky -- nuage [ masculine ]
rain clouds des nuages de pluie
1 an amount of sth in the air -- nuage [ masculine ]
a cloud of dust un nuage de poussière
2 to become dark and covered with clouds -- se couvrir
The sky had clouded over. Le ciel s’était couvert.
3 to make sth complicated or confusing -- (em)brouiller
5 a mass of tiny drops of water floating in the sky -- nuage
The rapport between them is as threatening as a violent storm cloud.
The volcano continues to be active, and recurrent closures of airspace continue to take place, depending on the weather conditions affecting the dispersion of the ash cloud.
There is huge concern for the effects of the volcanic cloud on the tourist industry.
What is clear is that the ash cloud has only delayed the pilots' strike which has been announced.