What is the meaning of speak?

verb

• Express in speech.
  • usage: "She talks a lot of nonsense"; "This depressed patient does not verbalize"
  • synonyms: talk, utter, mouth, verbalize, verbalise
• Exchange thoughts; talk with.
  • usage: "We often talk business"; "Actions talk louder than words"
  • synonyms: talk
• Use language.
  • usage: "the baby talks already"; "the prisoner won't speak"; "they speak a strange dialect"
  • synonyms: talk
• Give a speech to.
  • usage: "The chairman addressed the board of trustees"
  • synonyms: address
• Make a characteristic or natural sound.
  • usage: "The drums spoke"