Sidebar meaning : A short news story printed alongside a larger one. A block of information placed at the side of a printed page. A block of information placed at the side of a webpage. A short conference, between a judge and the attorneys of a case, held outside the jury's hearing; the place where this happens. An accessory side note or aside made during a conversation, without changing the scope of the audience. A short conversation between a smaller portion of a group held outside the hearing of the rest of the group. To place information into a sidebar