1. A language shared and understood by speakers of different native languages, used as a medium of communication between them
English has become the common language for international business.
O inglês se tornou a língua comum para os negócios internacionais.
2. Everyday language used by ordinary people; vernacular
The poet wrote in common language rather than formal verse.
O poeta escreveu em língua comum em vez de verso formal.
3. A shared understanding or means of communication between groups
Music is a common language that transcends borders.
A música é uma língua comum que transcende fronteiras.