1. the act of appearing as a guest, especially on a television or radio show

1. present participle of guest; appearing as a guest

Examples

• The actor’s guesting on the talk show boosted the ratings.
• She is guesting on three different podcasts this month.
• His guesting appearances have made him quite popular.
• The musician is guesting on their new album.
• The show features regular guesting by celebrity chefs.
• They announced her guesting on the morning program.