n. 1. a second (or subsequent) action to increase the effectiveness of an initial action. Also used attributively; as a follow-up visit. A follow-up may be of various types. After a medical examination, a second examination (or reexamination) to obtain additional information regarding some fact discovered in the first examination is considered a follow-up. A second visit or phone call in pursuit of a sale or other request would also be a follow-up. Syn. -- reexamination, review. [ WordNet 1.5 +PJC ]
2. (Journalism) A subsequent story providing information discovered or events happening after a first story was published. [ PJC ]