This is the 4195th most frequent Catalan word.
esculls
"Esculls" means "reefs" or "obstacles."
In this context, 'esculls' refers to coral reefs, used as a noun.
Els esculls són elements naturals essencials per a la vida marina.
The coral reefs are essential natural elements for marine life.
Here, 'esculls' is used metaphorically to mean 'obstacles' or 'challenges' faced.
Si no vigiles, pots trobar-te amb molts esculls al teu camí.
If you're not careful, you might encounter many obstacles in your path.
In this situation, 'esculls' again refers to literal reefs but specifically underwater, emphasizing their potential hazards.