This is the 4860th most frequent Catalan word.
tapar
"Tapar" means "to cover" in English.
Here, 'tapar' means to cover something to keep it closed or protected.
Vaig tapar la cassola amb una tapa.
I covered the pot with a lid.
'Tapar-se' refers to the reflexive form of 'tapar', meaning to cover oneself.
Tapar-se amb una manta per no tenir fred és habitual a l'hivern.
Covering oneself with a blanket to stay warm is common in winter.
In this context, 'tapar' denotes the action of filling or covering an opening or void.