This is the 2741st most frequent Catalan word.
aèries
The Catalan word "aèries" means "air" or "aerial" (relating to the air or atmosphere).
In this sentence, 'aèries' is used as an adjective modifying 'companyies', meaning 'airlines', thus relating to air transportation.
Les companyies aèries ofereixen moltes rutes internacionals.
The airlines offer many international routes.
Here, 'aèries' is used as an adjective describing 'animals', referring to creatures that inhabit or traverse the air.
Els animals aèries es mouen gràcilment pel cel.
Aerial animals move gracefully through the sky.
In this case, 'aèries' describes 'fotografies', emphasizing that the images were taken from the air.