podcastTranslate podcast | into French | into Italian | into Spanish Definition of podcast noun a multimedia digital file made available on the Internet for downloading to a portable media player, computer, etc.. verb (past and past participle podcast) [with object] make (a multimedia digital file) available as a podcast. Derivatives podcastable adjective podcaster noun podcasting noun Origin: early 21st century: from iPod + broadcastpodcast in other Oxford dictionaries Definition of podcast in the US English dictionary