Definitions of talk:

• noun:   the act of giving a talk to an audience

  Example: "I attended an interesting talk on local history"

• noun:   an exchange of ideas via conversation

  Example: "Let's have more work and less talk around here"

• noun:   (`talk about' is a less formal alternative for `discussion of') discussion

  Example: "His poetry contains much talk about love and anger"

• noun:   idle gossip or rumor

  Example: "There has been talk about you lately"

• noun:   a speech that is open to the public
• verb:   express in speech

  Example: "She talks a lot of nonsense"

• verb:   exchange thoughts; talk with

  Example: "We often talk business"

• verb:   deliver a lecture or talk

  Example: "She will talk at Rutgers next week"

• verb:   reveal information

  Example: "If you don't oblige me, I'll talk!"

• verb:   use language

  Example: "The baby talks already"

• verb:   divulge confidential information or secrets

  Example: "Be careful--his secretary talks"

• name:  A surname (very rare: popularity rank in the U.S.: #45190)