This is the 13291st most frequent Polish word.
opłucz
"Opłucz" means "rinse" in English.
The word 'opłucz' here is an imperative singular form of the verb 'opłukać', indicating an action of thoroughly rinsing something (in this case, fruits).
Opłucz owoce przed jedzeniem.
Rinse the fruits before eating.
In this sentence, 'opłucz' directs someone to remove residues or particles from dishes by rinsing them with water.
Opłucz naczynia, zanim je włożysz do zmywarki.
Rinse the dishes before putting them in the dishwasher.
Here, 'opłucz' is used to suggest cleaning one's hands by rinsing, often for hygiene purposes.