This is the 2859th most frequent Portuguese word.
coelho
Rabbit.
Here, 'coelho' is used as a noun to represent the animal known as a rabbit.
O coelho branco pulou pelo campo.
The white rabbit jumped across the field.
In this sentence, 'coelho' is again a noun, depicting the animal as part of her drawing.
Ela desenhou um coelho em seu caderno.
She drew a rabbit in her notebook.
Here, 'coelho' is used metaphorically in a simile to describe someone's eyes being quick or sharp.