This is the 1208th most frequent Catalan word.
centenar
A group or set of a hundred.
'Centenar' here refers to a group quantified explicitly as a hundred individuals.
Hi havia un centenar de persones a la festa.
There were a hundred people at the party.
'Centenar' in this context represents exactly one hundred units of 'caramels' intended for distribution.
Vaig comprar un centenar de caramels per als nens.
I bought a hundred candies for the kids.
The word 'centenar' enumerates a specific quantity, in this case, birds.