The noun talk has 5 senses (first 3 from tagged texts)
1. (12) talk, talking -- (an exchange of ideas via conversation; "let's have more work and less talk around here")
2. (1) talk -- (discussion; (`talk about' is a less formal alternative for `discussion of'); "his poetry contains much talk about love and anger")
3. (1) talk -- (the act of giving a talk to an audience; "I attended an interesting talk on local history")
4. lecture, public lecture, talk -- (a speech that is open to the public; "he attended a lecture on telecommunications")
5. talk, talk of the town -- (idle gossip or rumor; "there has been talk about you lately")
Overview of verb talk
The verb talk has 6 senses (first 5 from tagged texts)
1. (109) talk, speak -- (exchange thoughts; talk with; "We often talk business"; "Actions talk louder than words")
2. (26) talk, speak, utter, mouth, verbalize, verbalise -- (express in speech; "She talks a lot of nonsense"; "This depressed patient does not verbalize")
3. (8) speak, talk -- (use language; "the baby talks already"; "the prisoner won't speak"; "they speak a strange dialect")
4. (4) spill, talk -- (reveal information; "If you don't oblige me, I'll talk!"; "The former employee spilled all the details")
5. (2) spill the beans, let the cat out of the bag, talk, tattle, blab, peach, babble, sing, babble out, blab out -- (divulge confidential information or secrets; "Be careful--his secretary talks")
6. lecture, talk -- (deliver a lecture or talk; "She will talk at Rutgers next week"; "Did you ever lecture at Harvard?")