1. A sign, character, or object that represents something else, especially an idea or quality
The dove is a symbol of peace.
A pomba é um símbolo de paz.
2. A conventional mark or figure used in mathematics, science, or other fields
The symbol '+' represents addition.
O símbolo '+' representa adição.
3. Something that stands for or suggests something else by reason of relationship or association
The flag is a symbol of national identity.
A bandeira é um símbolo de identidade nacional.