Definitions
1.Verbpresent participle and gerund of train
2.NounAction of the verb to train. (Can we add an example for this sense?)
3.NounThe activity of imparting and acquiring skills.
4.NounThe result of good social upbringing.
5.NounThe process by which two modems determine which protocol and speed to use; handshaking.
6.Noun(voice recognition) The recording of multiple samples of a user's voice to aid pattern recognition.