1. additional information or commentary placed alongside the main text in a publication
Usage: journalism; publishing
2. private conversations between a judge and lawyers during a trial, held away from the jury
Usage: legal
3. vertical panels or columns of content on the sides of a webpage
Usage: web design; computing

Examples

• The magazine included several sidebars with interesting facts about the main article.
• The newspaper’s sidebars provided additional context for the breaking news story.
• During the sidebar, the judge explained the legal procedure to both attorneys.
• The lawyer requested a sidebar to discuss the admissibility of evidence.
• The website’s sidebars contained links to related articles and advertisements.
• She customized her blog’s sidebars to include social media widgets.
• The textbook’s sidebars highlighted key vocabulary terms for students.