This is the 2310th most frequent Catalan word.
fumar
To smoke.
Here, "fumar" is used metaphorically to describe the emission of smoke from a chimney.
La xemeneia del taller fuma constantment.
The workshop's chimney constantly smokes.
In this sentence, "fumar" means to smoke, referring to the act of smoking a cigarette.
Ell fuma un cigarret cada matí.
He smokes a cigarette every morning.
In this usage, "fumar" is used in a general sense to denote the action being avoided or omitted, emphasizing the health implications.