This is the 665th most frequent Vietnamese word.
mèo
"Cat."
In this context, 'mèo' refers directly to the animal known as a cat.
Tôi nuôi một con mèo.
I have a cat.
Here, 'mèo' is used to describe the subject of a drawing, that is a cat.
Cô ấy vẽ hình một chú mèo rất dễ thương.
She draws a very cute image of a cat.
In this sentence, 'mèo' denotes the species of the animal as a general concept.