This is the 1670th most frequent Dutch word.
plakken
"Plakken" means "to stick" or "to paste."
Here, 'plakken' is used to mean 'to stick' or 'to adhere', indicating the action of affixing the poster to the wall.
Ik moet de poster aan de muur plakken.
I need to stick the poster to the wall.
In this context, 'plakken' implies creating adherence or sticking properties for the dough using flour.
Wil je het deeg met wat bloem plakken?
Would you like to stick the dough with some flour?
Here, 'plakken' describes the natural sticking together of objects (leaves) as caused by external factors (rain).