This is the 5390th most frequent Catalan word.
castelleres
"Castelleres" refers to female participants in the traditional Catalan human towers, known as "castells."
Here, 'castelleres' serves as an adjective describing 'construccions,' referring to things related to or involving castellers (the human tower builders).
Les construccions castelleres són molt populars a Catalunya.
The casteller formations are very popular in Catalonia.
In this sentence, 'castelleres' is an adjective that modifies 'competicions,' describing competitions related to the castellers.
Va participar en diverses competicions castelleres durant l'estiu.
He participated in several casteller competitions during the summer.
'Castelleres' functions as an adjective that characterizes 'torres,' referring to towers associated with the casteller tradition.