This is the 332nd most frequent Vietnamese word.
cục
"Piece," "lump," or "chunk."
'Cục' here is used as a classifier or measure word for small, compact objects such as a pebble.
Tôi tìm thấy một cục sỏi nhỏ trên đường.
I found a small pebble on the road.
In this sentence, 'cục' is used metaphorically as part of the phrase 'cục cưng,' meaning 'darling' or 'beloved person' in a family context.
Cậu ấy là cục cưng của gia đình.
He is the darling of the family.
Here, 'cục' is employed as a measure word for objects like an eraser, emphasizing its compactness or unitary form.