This is the 7542nd most frequent Catalan word.
basca
"Basca" in Catalan means nausea or intense discomfort.
Here, 'basca' means 'suffocating heat', a colloquial expression often used in Catalan.
La basca a l'estiu és insuportable a la ciutat.
The suffocating heat in summer is unbearable in the city.
In this context, 'basca' refers to something or someone relating to the Basque Country.
Els xefs del restaurant són d'Euskadi, la seva basca és ben coneguda.
The chefs from the restaurant are from the Basque Country, their Basque heritage is well-known.
In this sentence, 'basca' refers to the sensation of nausea, commonly used in colloquial conversation.