1
general::
Say or express, especially an opinion or feeling. For example, The faculty gave voice to their anger over the dean's tenure decisions. This term once meant "to vote." Its present sense dates from the mid-1800s.
American Heritage Idioms
2
general::
Phrase(s): give voice to something
Fig. to express a feeling or an opinion in words; to speak out about something. • The bird gave voice to its joy in the golden sunshine. • The protestors gave voice to their anger at Congress.
McGrawhill's American Idioms And Phrasal Verbs