talker

Short definition from Wiktionary

Noun

1. 1
   A person who talks, especially one who gives a speech, or is loquacious or garrulous.
2. 2
   Any creature or machine that talks.
3. 3
   A talk show
4. 4
   A talk-show host.
5. 5
   An all-talk radio station.
6. 6
   A popular topic of conversation.
7. 7
   A talking point.
8. 8
   A stripped-down version of a MUD which is designed for talking, predating instant messengers; a kind of early chat room.
9. 9
   Mouth.
10. 10
    A table talker or shelf-talker.
11. 11
    An augmentative and alternative communication device.