1. A bird of the family Columbidae, commonly found in urban and rural areas, often used as a messenger or pet
The pigeon landed on the windowsill.
O pombo pousou no peitoril da janela.
2. In colloquial use, a naive or easily deceived person
Don't be such a pigeon; think before you act.
Não seja tão pombo; pense antes de agir.