pod·cast 
(pŏdkăst′)
(pŏdkăst′)n.
1. A series of digital media files distributed over the internet to which a user can subscribe by means of a syndication application.
2. The content of one or all of the files in such a series.
intr.v. pod·cast·ed, pod·cast·ing, pod·casts
To distribute a series of digital media files over the internet in a format accessible by a syndication application.
[(i)Pod, a trademark for a portable digital audio player + (BROAD)CAST.]