This is the 18052nd most frequent Polish word.
żeber
"Żeber" is the plural form of "żebro," meaning "ribs" in English.
In this sentence, 'żeberko' refers to a 'rib,' which is a part of the human body.
Chłopiec złamał jedno żeberko podczas upadku.
The boy broke one rib during the fall.
Here, 'żeberka' refers to ribs in the culinary sense as food.
Mama kupiła żeberka na obiad.
Mom bought ribs for dinner.
In this sentence, 'żeberkach' refers to structural ribs or elements providing support.