A subsidiary action taken as the result of an event.
(Internet) A posted message on a newsgroup, etc. in reply to a previous one.
(sports) A shot on goal directly following another that has been saved.
2011, November 5, Phil Dawkes, QPR 2 - 3 Man City, It could have been much worse for City before the break, but goalkeeper Joe Hart saved Jamie Mackie's long-range shot and Helguson's headed follow-up - although the latter was offside - before Bothroyd hit the post with another header.