This is the 83rd most frequent Catalan word.
cop
A hit, blow, or stroke.
Here, 'cop' refers to a physical hit or strike.
Vaig donar un cop a la taula per cridar l'atenció.
I struck the table to draw attention.
Here, 'cop' means 'once' or 'when', indicating a temporal reference.
Un cop acabem, marxarem.
Once we finish, we will leave.
Here, 'cop' conveys the idea of an instance or occurrence.