The verb speak has 5 senses (first 5 from tagged texts)
1. (88) talk, speak, utter, mouth, verbalize, verbalise -- (express in speech; "She talks a lot of nonsense"; "This depressed patient does not verbalize")
2. (53) talk, speak -- (exchange thoughts; talk with; "We often talk business"; "Actions talk louder than words")
3. (23) speak, talk -- (use language; "the baby talks already"; "the prisoner won't speak"; "they speak a strange dialect")
4. (11) address, speak -- (give a speech to; "The chairman addressed the board of trustees")
5. (3) speak -- (make a characteristic or natural sound; "The drums spoke")