podcast UK /ˈpɒdˌkɑːst/US /ˈpɑdˌkæst/noun 2verb 2forms 3 noun2 •A program, especially an audio program, produced on a regular basis, delivered over the Internet in a compressed digital format and designed for playback on computers or portable devices such as mobile phones.Try listening to a mix of well-known podcasts. You'll soon find that the best always feature hosts that have their own unique voice. — 2016 •An individual episode of such a program. verb2 •To deliver (information) in the form of a program, especially an audio program, over the Internet on a regular basis for playback on computers or portable devices such as mobile phones. •To deliver a program, especially an audio program, over the Internet on a regular basis for playback on computers or portable devices such as mobile phones. formspodcasted · podcasting · podcasts