This is the 1758th most frequent Catalan word.
aeris
The Catalan word "aeris" means "aerial" or "airborne" in English.
In this sentence, "aeris" is used as an adjective meaning 'aerial' or 'relating to the air' and describes the vehicles.
Els vehicles aeris són molt populars per a trajectes llargs.
Aerial vehicles are very popular for long journeys.
Here, "aeris" refers to 'airspaces,' emphasizing the plural form related to regions of the atmosphere.
En els aeroports, hi ha un control rigorós dels espais aeris.
In airports, there is strict control over airspaces.
"Aeris" in this case describes materials, indicating they are suited to or used in the air.