This is the 7452nd most frequent Portuguese word.
mouse
A small device used to control a computer's cursor.
In this sentence, 'mouse' refers to the device used to control a computer cursor.
Eu comprei um novo mouse para o meu computador.
I bought a new mouse for my computer.
Here, 'mouse' refers to the small rodent animal that the cat is chasing.
O gato está caçando um mouse na cozinha.
The cat is hunting a mouse in the kitchen.
In this context, 'Mouse' is a proper noun used as part of the famous cartoon character's name.